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Henry Rutherford "Hank" Hill (voiced by Mike Judge) — Hank is the main protagonist who proudly sells "propane and propane accessories" as the assistant manager at Strickland Propane, and throughout the entire series always makes a big deal about the job when everybody around Hank finds his occupation boring. He resembles—in both voice and appearance—the Tom Anderson character from Beavis and Butthead, a character also voiced by Judge. Hank is generally a well-meaning father, but is often frustrated and confused by modern trends and the antics of his friends and family members. Hank suffers from a narrow urethra, which made Bobby's conception difficult. Hank is uncomfortable with public displays of intimacy with his wife and son. He has a very difficult time saying, "I love you" to any member of his family, as he thinks it is unmanly. Hank's trademark wail of distress in times of discomfort (sounding like "Bwaaaah!") and his phrase "I tell you what" ("what" in his dialect being pronounced /ˈhwʌt/) are running gags on the series.
Margaret "Peggy" J. Hill (voiced by Kathy Najimy) — Hank's wife, Peggy (née Platter), was born in Montana and raised on her family's cattle ranch. Her strained relationship with her mother is a source of drama for her. Peggy is a substitute teacher in Arlen, Texas, specializing in teaching Spanish despite having a poor grasp of the language. Peggy is also a freelance newspaper columnist, notary public, an exemplary softball pitcher and a Boggle champion and has started a career in real estate. She has a habit of adding or changing ingredients to ordinary dishes then naming them after herself. "SpaPeggy & Meatballs" and "Apple Brown Peggy" are examples. Peggy is very self-conscious about her larger-than-normal feet (size 16 ½ on the left, 16 on the right).
Robert Jeffrey "Bobby" Hill (voiced by Pamela S. Adlon) — Hank and Peggy's husky thirteen-year-old son and best friend to Joseph and Connie. Although friendly and generally well-liked, he isn't very bright and often prone to making bad decisions. He wants to be a famous prop comic and move to New York when he is older. Bobby displays little interest in gender roles and dislikes sports, often taking such classes as Home Economics and Peer Counseling, instead of more traditionally "masculine classes".
Luanne Leanne Platter Kleinschmidt (voiced by Brittany Murphy) — Luanne (née Platter) is the Hills' college-age niece, daughter of Peggy's scheming brother Hoyt and his alcoholic ex-wife Leanne. Luanne moves in with the Hills after her mother Leanne stabs Hoyt with a fork during a drunken fight which tips over their trailer. Hank initially makes frequent attempts to encourage Luanne to move out on her own, but later more-or-less accepts her as a member of the family. She was a student at the beauty academy and later at Arlen Community College. She was often portrayed as an airhead, but was shown to be an expert mechanic in the first two seasons and is good at logic puzzles. Luanne was promiscuous, but she settles down after being visited by the spirit of her first boyfriend, the slacker Buckley, whom she calls "Buckley's angel"; and then attending a church-sponsored "born-again virgin" program and starts a Bible study class. Luanne has success operating a "Manger Babies" puppet show for a Public-access televisioncable TV station. In the 10th season finale, Luanne revealed that she was pregnant with the child of Lucky, whom she married in the 11th season finale. In the 13th Season, she has a baby girl named Gracie Margaret Kleinschmidt.
Dale Alvin Gribble (voiced by Johnny Hardwick) — Dale is the Hills' chain-smoking neighbor who is also an insect exterminator. His greatest expertise lies in his knowledge of conspiracy theories. Dale is paranoid about any government activity and frequently uses the alias of Rusty Shackleford to operate anonymously. Dale is the president of the Arlen gun club and a licensed bounty hunter. Dale remains oblivious to the fact that his wife, Nancy, has cheated on him with John Redcorn for fourteen years and his son Joseph is not actually his biological son. Everyone else knows but chooses not to tell him because of his total obliviousness, the loving, trusting relationship he has with Joseph and Nancy, and the fact that Dale is more of a father to Joseph than John Redcorn is, although it is implied in one of the last scenes of the final episode that Dale found out somehow and is rather unconcerned, leading to the possibility he either knew all along, Nancy told him, or he found out through other means. Hank considers Dale a close friend, but he often becomes very annoyed with his schemes and conspiracies.
Sgt. William "Bill" Fontaine Delatour Dauterive (voiced by Stephen Root) — Bill is the Hills' overweight, divorced, clinically depressed, involuntarily celibate neighbor. He grew up in Louisiana with his cousin Gilbert and speaks French and English. He was formerly a rugged and attractive star lineman on Arlen High's football team, nicknamed the "Billdozer", and is now a sergeant barber in the United States Army. Bill once had a bright future in the Army, but ended up ruining his life after marrying the promiscuous Lenore. Bill is somewhat of a masochist and is often attracted to people who abuse him; after suffering under his father and Lenore, Bill has an almost complete lack of self-worth. He obsesses about his ex-wife, and his loneliness is a running gag on the series. He frequently tries to flirt with and woo Peggy. Despite coming across as a loser, however, Bill has enjoyed several romantic successes (or near-successes), including Kahn's and Luanne's mothers, former Texas governor Ann Richards, and the young widows of two of his dead cousins. He is named after executive producer and writer Jim Dauterive.
Jeffrey Dexter Boomhauer III (voiced by Mike Judge) — Boomhauer is a slim womanizer whose mutterings are hard to understand to the audience but easily understood by his friends. A running joke is when his friends fail to understand him for some reason other than his incoherence. His speech is usually heavily littered with the phrases, "dang" and "dang ol'". Boomhauer can mumble his words, but he sings clearly and speaks other languages clearly (mainly French and Spanish). Boomhauer is a classic-car aficionado, and, despite his incoherent ramblings and womanizing, often displays himself to be more intelligent and philosophical than his three friends. Although hinted at previously, in episode 18 of season 13, the Canadian woman who lives next door to the family who trades houses with him for the summer calls him Jeff, finally revealing his first name. Throughout the series it is never known what he does for a living, but at the end of the final episode of the series, it is revealed that Boomhauer is a Texas Ranger.
Other Hill, Platter, & Kleinschmidt relatives
Ladybird — The Hills' thirteen-year-old purebredGeorgiaBloodhound named after the First Lady of the United StatesLady Bird Johnson. It's said that her mother helped track down James Earl Ray, as revealed by Hank in episode 7 of season 1 titled "Westie Side Story". Her companionship temporarily relieved Hank's stress (and narrow urethra), allowing him to impregnate Peggy. Later on in the series Ladybird would become deaf and despite much effort on Hank's part, would never bear children because of her narrow uterus.
Col. Cotton Lyndal Hill (voiced by Toby Huss) — Hank's cantankerous/former father, Cotton was a deranged, offensive, politically incorrectmisogynist with a hair-trigger temper. Despite his many shortcomings, he occasionally showed a softer side, for example in the episode "Cotton's Plot" where he helped Peggy learn to walk again after her parachuting accident. His shins were blown off in World War II by a "Japan man's machine gun" and his feet were reattached to his knees, resulting in a short height and stilted gait. Despite his disability, he eventually reached the rank of Colonel in the State Militia. After Cotton and his first wife Tilly, Hank's mother, divorced, he married a much younger, softspoken, busty blonde candy striper named Didi who gave birth to his youngest son "G.H." ("Good Hank"). He was immensely proud of his military service. Though his claim of fighting "nazzies" (Nazis) was proven false and his claim of killing "fitty [fifty] men" was dubious, his participation in several of the bloodiest battles in the Pacific Theater was confirmed and his uniform was shown to be decorated with the Medal of Honor and the Purple Heart. Cotton himself died in episode #218, "Death Picks Cotton," after suffering severe burns and an allergic reaction to shrimp during a flashback at a Japanese restaurant.
Didi Hill (voiced by Ashley Gardner) — Didi is Cotton's second wife and a candy striper after she retired from being an exotic dancer. She has breast implants and suffers from postpartum depression following the birth of Cotton's third son "G.H." She is generally depicted as docile and unintelligent, although she has a degree in optometry. She was absent at the time of Cotton's death and was only seen once more, where she says she is engaged and will remarry.
Good Hank "G.H." Hill — G.H. is Cotton's and Didi's infant son, and the younger of Hank's two half-brothers. G.H. is an abbreviation for "Good Hank," implying that the original Hank was unsatisfactory to his father. Cotton treats G.H. much better than Hank presumably because Cotton sees him as being his second chance of being a better father than he was for Hank. G.H. was key at a time when Hank had to convince Cotton not to end his life as well as to permit Hank to give his father money for the baby's sake (and as payback for the years Cotton raised him). G.H. was absent at the time of his father's death, and is not seen throughout the rest of the series, although it is presumed he is living with his mother and stepfather.
Matilda Mae "Tillie" Hill (voiced by Tammy Wynette in 1997–1998, Beth Grant in 1999, and K Callan in 2000–2009) — Tilly is Cotton's first wife and Hank's mother. She divorced Cotton after suffering years of verbal abuse. A kind woman who collects miniatures, Tilly lives in Arizona with her husband Chuck, having formerly lived with her Jewish boyfriend Gary (voiced by Carl Reiner).
Elroy "Lucky" Kleinschmidt (voiced by Tom Petty) — Lucky is Luanne's itinerant, but generally benign redneck husband, and is the father of Luanne's child. As it is often hard for Lucky to hold down a job, he lives on the remainder of the $53,000 "settlement monies" he received after "slipping on pee-pee at the Costco". At one point Lucky's fortune dwindled down to nine thousand dollars but regained another $53,000 when an ambulance chasing lawyer paid off Lucky to avoid a lawsuit. Peggy tried very hard to break him and Luanne apart, but after Luanne's pregnancy was revealed, she and Hank reconciled the two, giving them a shotgun wedding on Lucky's request. He is also one of the guitarists for John Redcorn's band, Big Mountain Fudgecake. Although dimwitted in some aspects, Lucky has learned some facets such as basic math through life experience as opposed to formal education, and was astute enough to deduce that his father-in-law spent time in jail whereas Luanne believed the story that he works on an oil rig.
Gracie Margaret Kleinschmidt — Daughter of Lucky and Luanne. She was born in the season 13 episode "Lucky See, Monkey Do." Luanne originally wanted to name her Lasagna (stating that lasagna was their favorite food), but Peggy and Hank successfully dissuaded Luanne from that, convincing Luanne to choose a more conventional name given to baby girls.
Myrna Kleinschmidt (voiced by Paget Brewster) — Myrna is Lucky's sister, Luanne's sister-in-law, Gracie's aunt, and the main antagonist in "Lucky See, Monkey Do". She is an intelligent, modern mother who only appears in the episode "Lucky See, Monkey Do". She has two children, one son and one daughter (Gracie's paternal first cousins) and raises them in strict accordance with contemporaryparenting practices, something which leads her into a rivalry with Peggy, whose parenting skills are from older schools of thought, over how to assist Luanne as her pregnancy due date approaches. When Luanne goes into labor, Myrna commandeers the situation and insists that Luanne have a natural, drug-free water birth, but under Hank's encouragement to think for themselves about how to raise their child, Luanne and Lucky opt for a hospital birth instead.
Leanne Platter (voiced by Pamela S. Adlon) — Leanne, Luanne's violent alcoholic mother, was imprisoned for "second-degree assaulting" her husband in the back with a fork. Though she is often mentioned during the course of the series, she appears only in the episode "Leanne's Saga," visiting Luanne in Arlen after her release from prison and briefly being courted by Bill Dauterive.
Hoyt Platter (voiced by Johnny Knoxville) — Hoyt is Luanne's father, Peggy's twin brother and Leanne's ex-husband. It was later found out that he never worked on an oil rig, but was in jail for most of Luanne's life and the oil rig story was a cover so Luanne wouldn't know her father was a convict. He appears in only one episode "Life: A Loser's Manual." After being released from jail, Hoyt commits a robbery and tricks Lucky into taking the blame, but he eventually confesses and is sentenced to life in prison.
Maddy Platter (voiced by Joanna Gleason) – Maddy Platter is Peggy's and Hoyt's mother and Bobby's and Luanne's grandmother. Mother Platter lives in Montana with her son Hoyt. She is an old-fashioned, tough-as-nails rancher type and loathes Peggy for deserting the family ranch and not marrying a local neighbor boy. Strangely, earlier episode flashbacks feature a totally different "Peggy's mother" character, who is essentially an older version of Peggy - it is not made clear if one is her real mother and one is her stepmother, or if the "Maddy" mother character retconned the older version completely.
Doc Platter – Doc is Peggy's father. He makes only a single major appearance, which is when Peggy, Bobby and Hank visit the family ranch. He seems to be going somewhat senile and preachy, which Hank misinterprets as old-fashion Western-style wisdom.
Junichiro Hill (voiced by David Carradine) — Junichiro is Hank's elder half-Japanese half-brother who has lived in Japan all his life. Hank and Junichiro have the same father, due to Cotton's affair with a Japanese nurse during his war days, and share many similarities in appearance and mannerisms (this in spite of the fact that Hank actually shares more of his mother's features); one of these is that when he is shocked, like Hank, he yells "BWAH!" Like Hank, Junichiro also has a narrow urethra and is an assistant manager at the company for which he works, making robots and robot accessories.
Dusty Hill (Himself) — The bassist/vocalist for the band ZZ Top and Hank's cousin. In the episode "Hank Gets Dusted," Cotton gives his prized Cadillac to Dusty without allowing Hank a chance to buy it. Dusty enters the car in a demolition derby in which it is badly damaged. Hank and Dusty make their peace after Dusty has the car repaired and installed at the Cadillac Ranch.
Nancy Hicks-Gribble (voiced by Ashley Gardner) — Nancy (née Hicks) is Dale's wife, Joseph's mother, and weather-girl-turned-anchor for local news station Channel 84. She had a fourteen-year affair with John Redcorn, which produced her son, Joseph, although she eventually broke off the affair and became a more faithful wife to Dale. Her mother Bunny was similarly unfaithful to Nancy's father, but did not reveal her own long-term affair until Nancy began suffering from stress-induced hair loss over her unresolved feelings for John Redcorn. Nancy is a former beauty queen, a fact which helped her get her job as a news anchor.
Joseph John Gribble (voiced by Brittany Murphy in 1997-2000, Breckin Meyer in 2000-2009) — Joseph is Dale and Nancy's 13-year-old son and one of Bobby's best friends. Despite Joseph's obvious Native American features, his similarity in appearance to John Redcorn, and the fact that his middle name is "John," neither he nor Dale is aware that Redcorn is his biological father (Nancy refers to Dale having a "Jamaican grandmother" to explain Joseph's dark complexion). Redcorn's occasional and awkward attempts to get closer to Joseph (against Nancy's wishes) lead Joseph to regard him as strange and creepy. Joseph has a half-sister named Kate (by John Redcorn having cheated on Nancy), who is very similar to Joseph in personality and interests but likewise does not realize that Redcorn is their father. Joseph is the only character of the series shown to physically mature, having grown six inches in height over the course of a summer and having a deeper voice and a wispy mustache upon his reappearance.
Bug Gribble (voiced by David Herman) — Bug is Dale's father, who had been estranged from Dale for many years for kissing Nancy at her and Dale's wedding reception. Bug is actually gay and had been flirting with a Filipino caterer instead, and, upon sensing Dale's imminent entry into the room, attempted to hide his orientation from his son by grabbing and kissing 'the nearest thing in a dress'. This misunderstanding, and Bug's inability to reveal his true sexuality to Dale, resulted in their estrangement. When Dale and Nancy renew their wedding vows 20 years afterward, Nancy arranges to invite Bug, and Dale initially suspects his odd behavior and his having a "partner" of meaning that Bug is an undercover government agent, but finally accepts the truth upon seeing Bug and his partner share a devoted kiss. Bug's appearance in "My Own Private Rodeo" retcons his appearance in earlier episodes, where he bears a near-identicality to present-day Dale.
Gilbert Fontaine Delatour Dauterive (voiced by David Herman) — Gilbert (pronounced "zhil-BEAR") is Bill's cousin. Though at one point shown to live on the family estate with his aunt and cousin in a Louisiana bayou in "A Beer Can Named Desire", he and Bill eventually wind up as the last two living Dauterives. It is strongly implied that he is gay, and he even hits on Buck Strickland when Buck attempts to capitalize on the Dauterive family's traditional barbecue sauce recipe in "Blood and Sauce".
Esmé Dauterive (voiced by Meryl Streep) - Esmé was Bill and Gilbert's aunt, and matriarch of the Dauterive clan. She expressed deep concern over the family's ever-shrinking headcount, lamenting that "the Dauterive blood is down to a trickle". She happily received Bill upon his return for a visit and was not displeased to see him and his cousins' widows taking mutual interest. She is only seen in "A Beer Can Named Desire"; it is later revealed that she had died after a fever.
Violetta Dauterive (voiced by Natalie Maines) — Violetta was Bill and Gilbert's cousin. She lived on the family estate in Louisiana with Esmé, Gilbert, and Rose and Lily, the widows of two other Dauterive cousins. Upon Bill's visit she, Rose, and Lily, all having been without male companionship for too long, vied for Bill's affections and attempted to seduce him, even despite Violetta's own blood relation to him. Like Esmé, she is only seen in "A Beer Can Named Desire"; it is later revealed that she had died in her sleep.
Lenore Dauterive (voiced by Ellen Barkin) — Lenore is Bill's mean-spirited ex-wife. She is mentioned frequently throughout the course of the series, but only appears twice — once being when Bill and Bobby watch Bill's wedding video. She appears when Bill begins dating former Texas Governor Ann Richards to meddle with their relationship in "Hank and the Great Glass Elevator", but with help from Richards, Bill is finally able to tell her off and move past her toxic influence.
Eric Dauterive (voiced by Stephen Root) — Bill's implicitly-deceased father, who was said to be an abusive man and a heavy drinker, and is largely responsible for Bill's emotional instability. Among the abuses Bill recalls from his father are having been spanked every day between the ages of 9 and 16, being called a girl and made to wear "pretty, pretty dresses", and being locked in a rabbit hutch.
Patch Boomhauer (voiced by Brad Pitt) — Patch is Boomhauer's sleazy, womanizing younger brother. He appears in "Patch Boomhauer", apparently engaged to marry Boomhauer's old flame, Katherine - much to Boomhauer's mounting displeasure, as he himself has unresolved feelings for Katherine, and Patch's continued philandering angers him for her sake. The wedding is later called off after Patch hires strippers for his bachelor party and frames Boomhauer for trying to break up the engagement. Patch makes a final cameo in "Lucky's Wedding Suit" as one of the guests at Luanne and Lucky's wedding. Patch, like Boomhauer, speaks in a fast-paced Southern gibberish.
Dr. and Mrs. Boomhauer (voiced by Mike Judge) - Boomhauer's parents. Mrs. Boomhauer is shown to speak like Boomhauer in "Peggy's Turtle Song". In "Three Coaches and a Bobby", Boomhauer mentions that his parents had won the lottery and moved to Florida.
"Mee-Maw" Boomhauer (voiced by Mike Judge) - Boomhauer's elderly grandmother. She is seen in "Dang Ol' Love", when Boomhauer, infatuated with Marlene, goes to Mee-Maw to ask for a family-heirloom wedding ring as well as "Lucky's Wedding Suit", where she is seen sitting with the other guests as well as dancing with Patch for a brief moment. Mee-Maw speaks in the same characteristic gibberish that the rest of the Boomhauers share.
Kohng Koy Kahn Souphanousinphone (voiced by Toby Huss) — Kahn is Hank's antagonistic, materialistic, Laotian next-door neighbor. "Kahn" is an anagram of "Hank". He believes he is better than his neighbors, often referring to them as "hillbillies" or "rednecks." He frequently boasts his superiority to the others, but Hank bails him out in several episodes. Upon recollection of the story of how Minh and Kahn met, it is revealed that he was a former rebel and playboy whom Minh chose over the straight-laced intellectual her father set her up with. In one episode, Kahn shows that he is a trained martial artist while getting into a fight with a few rednecks. In the episode "Just Another Manic Kahn-Day", it is revealed that Kahn has bipolar disorder (which was also mentioned in the earlier episode "Lost in Myspace"). It is revealed in the episode "Three Days of the Kahndo" that Kahn has a brother also living in the US with a family of his own.
Minh Souphanousinphone (voiced by Lauren Tom) — Kahn's wife. Minh is a housewife who enjoys making rude comments about the neighbors, particularly Peggy. She sometimes has a snobbish attitude toward the neighbors, but in reality she is a more understanding parent and a better neighbor than Kahn. She's a crack shot, with championship-level skills, and at one point joined Dale's gun club, exerting a positive effect on its members. She is highly competitive, going so far as to cheat on The New York Times crossword puzzle. Like her husband, Minh grew up in Laos, where her father was a powerful general in the army who was not happy with her decision to marry Kahn. She also unsuccessfully tried to teach Bobby Lao.
Kahn "Connie" Souphanousinphone, Jr. (voiced by Lauren Tom) — Connie is the daughter of Kahn and Minh, and one of Bobby's best friends and his ex-girlfriend. She is a violin player, "A" student, and general overachiever pressured by her mother and father, who hold her to very high standards. Though it is implied that she works hard because of her overbearing parents, in reality, she does it for herself. Connie is named after her egomaniacal father because he wanted a son. Unlike her parents, she speaks in an American accent.
Doggie Kahn — Doggie Kahn (often referred to simply as "Doggie") is their West Highland White Terrier, who has the uncanny ability to turn backflips, and is a competitive dancer. He once ran away with Ladybird. His name is a play on "Donkey Kong."
Tid Pao Souphanousinphone (voiced by Lucy Liu) — Tid Pao is Connie's criminally-inclined cousin from Los Angeles and the main antagonist in "Bad Girls, Bad Girls, Whatcha Gonna Do", who was sent to stay at Kahn's for a semester because she stole drugs from a street gang. She attended Tom Landry Middle School in the meantime. She seduced Bobby and tricked him into creating a meth lab by pretending to help him with building a candy machine for his group science project, and persuaded him to steal propane tanks from Strickland Propane to complete it. Tid Pao was sent away by Kahn to Wisconsin to work on her last uncle's dairy farm at the end of the episode because of her criminally-inclined nature.
Laoma Souphanousinphone (voiced by Amy Hill) — Laoma is Kahn's mother and the only person on the show who addresses him by his full name. She is kind and hardworking and enjoys housekeeping. She is disliked by Minh because of her criticism of Minh's housework skills. The status-conscious Kahn is horrified when Laoma, bored and unwanted by her daughter-in-law, becomes the Hills' housemaid, and even more horrified when she begins a love affair with Bill Dauterive. Laoma has not been seen since her first episode, mainly because the creators nixed the original plan for her and Bill to become a regular couple, preferring for Bill to remain his usual single and miserable self.
Gen. Gum (voiced by James Sie) — Usually referred to as "The General," (his full name is Gum Nga Hexumalayasabrath) he appeared only in the episodes "Pour Some Sugar on Kahn" (in which he visits the family) and "Father of the Bribe" (in which Minh recalls her courtship by Kahn). He is Minh's father and greatly dislikes Kahn. He served under several Laotian dictators and was put on trial for war crimes at The Hague.
Buck Strickland (voiced by Stephen Root) — Buck is the overweight, balding, over-the-hill owner of Strickland Propane, and Hank's boss. Originally hailing from Arkansas, Buck is a compulsive gambler, chauvinist, alcoholic, and adulterer.
Joe Jack (voiced by Toby Huss) — Joe Jack is a fuel-truck driver and co-worker with Hank at Strickland Propane. He has a drinking problem, as seen when he is a member of the Propaniacs. Joe Jack has a habit of calling people he speaks to "honey", regardless of their gender or level of familiarity with him.
Enrique (voiced by Eloy Casados from 1997–1998, Danny Trejo from 2002–2009) — Enrique is a good-natured Hispanic truck driver at Strickland Propane. In the episode "Enrique-cilable Differences," Enrique forcibly befriends Hank after a nasty fight with his wife. Enrique ends up moving in with the Hills for a short time, but quickly patches things up with his wife after a fed-up Hank kicks him out.
Donna (voiced by Pamela Adlon) — There are actually two separate Donnas who have both worked as Strickland accountants, and are often referred to as "Donna from Accounting". The first Donna appears, albeit infrequently, as an overweight, dark-skinned woman, most notably in "Meet the Propaniacs". In "Are You There, God? It's Me, Margaret Hill", Buck mentions having discovered stolen office supplies in her bedroom (presumably during an extramarital encounter), and orders Hank to "find us a new Donna". The "new Donna" is a tall, curvy white woman who first appears in "The Miseducation of Bobby Hill". In "24 Hour Propane People" she mentions a husband; in "You Gotta Believe (In Moderation)", Dale notes her "recent divorce". In "Lost in MySpace", her most significant episode, she is briefly promoted to assistant manager alongside Hank, but later fired, and later still re-hired as accountant.
Roger "Buddha" Sack (voiced by Chris Rock in the first appearance, Phil LaMarr in later appearances) — He first appeared in "Traffic Jam" as a comedian and traffic school instructor. His abrasive and insulting style of humor infuriates Hank, as well as the dean of the traffic school, who terminates his employment at the traffic school for not teaching traffic safety as he was hired to do. Hank later gets Roger a job at Strickland Propane. Grateful to Hank for saving him from unemployment, Roger's attitude mellows afterward.
Elizabeth "Miz Liz" Strickland (voiced by Kathleen Turner) — Elizabeth is the deep-voiced, long suffering wife of Buck Strickland, first seen in "Hanky Panky". In "Hanky Panky", the first half of a two-part episode, Miz Liz attempts to seduce Hank in a propane-powered hot tub during her and Buck's separation, but the interest was not reciprocated. She and Buck reconcile in the second half "High Anxiety", but later on, in "The Good Buck", Buck claims that Miz Liz has left for good, stating that "she could handle my drinkin' binges, and my gamblin', and even turn a blind eye to my extramarital escapades, but not when they happen all once! ...and on her birthday!"
Debbie Grund (voiced by Reese Witherspoon) — Debbie was an employee of Strickland Propane and was Buck Strickland's mistress and the main antagonist in the episode "Hanky Panky". As revenge for Buck ending their relationship and Hank's declination of her advances, Debbie plotted to murder the Stricklands and the Hills, but accidentally killed herself when she inadvertently discharged Buck's shotgun onto herself while attempting to climb into the dumpster she was using as a hiding place.
Carl Moss (voiced by Dennis Burkley) — Carl is the principal of Tom Landry Middle School and one of Hank's high school classmates. His twin concerns are tight budgets and maintaining discipline, and he tends to follow procedure to avoid trouble, even when it conflicts with his friendship with Hank. Hank will often remind Carl of how he used to be and insinuate that Carl sold out for a position of power.
Coach Kleehammer (voiced by Toby Huss) — Coach Kleehammer is the football coach at Tom Landry Middle School. He has a difficult time relating to things outside of football and often uses football-related expressions in everyday speech. Kleehammer is portrayed as something of a sexist, having displayed a very negative attitude towards women's sports.
Stuart Dooley (voiced by Mike Judge) — Stuart is Bobby's deep-voiced, laconic classmate. He always sardonically intones something obvious after witnessing an event (for example, to Bobby after witnessing Mega Lo Mart exploding, "Your Dad got blown up.") He also is somewhat of a rebel, and was seen pulling Peggy's pants down, and smoking at one point. His style of speech is similar to Butt-Head from Mike Judge's previous show, Beavis and Butt-Head, albeit without Butt-Head's trademark giggling.
Clark Peters (voiced by Pamela Adlon) — Bobby's overweight bully at Tom Landry Middle School. He has a blondponytail and speaks as though he has a perpetual head cold (Minh once referred to him as "that creepy booger-nosed kid"). He sometimes forces Bobby to do homework for him.
Randy Miller (voiced by Cheryl Holliday in 1997–1999, David Herman in 2000–2009) — Randy is the quintessential "nerd" who loves to tattle on people and then see them being punished. Bobby, Connie, and Joseph don't like him very much. He is very proud of his father being a successful patent lawyer. Although once a rather prominent character, he largely vanished after the fifth season.
Chane Wassonasong (voiced by Pamela Adlon) — Chane is a smart but obnoxious and rude classmate of Bobby and Connie. Connie's parents are constantly trying to fix her up with Chane, also Laotian-American, as they see him as a very preferable alternative to Bobby (and because Chane is the son of prominent Laotian-American Ted Wassonasong, with whom they are constantly trying to curry favor)
Emily (voiced by Ashley Johnson) — She is a sixth grade blonde pony-tailed hall monitor who takes her position quite seriously. She often serves as the gatekeeper of Principal Moss' office.
Ramon Alejandro (voiced by Pamela Adlon) — A classmate of Bobby's of Hispanic descent, he is among the more popular students and is very popular with the girls.
Lori (voiced by Jillian Bowen) - A classmate of Bobby and Joseph. Joseph once dated her, having made out in closets throughout the school on several occasions. Very late into the series, Lori insisted that she and Joseph go "all the way" in their relationship, but Joseph broke up with her before it could happen.
Sgt. "Topsy" Toppington (voiced by Stephen Root) — Toppington (nearly always referred to as "Topsy") is an old wartime buddy of Cotton Hill. He often acts as an accomplice to Cotton's schemes. He could inflate his cheeks in a manner similar to Dizzy Gillespie, and according to Cotton, he had to have all his teeth pulled out because they were badly decayed. In "Death Buys a Timeshare," his death is confirmed as Cotton is left his estate. Topsy was apparently flushed down General Patton's toilet, as his name can be seen along with all of Cotton's war buddies above the toilet.
Stinkey (voiced by Edward Asner) — Stinkey is one of Cotton Hill's wartime friends who was overweight and had suffered from diabetes, he died at some point later in the series as it is mentioned by Cotton and his name is among the Veteran's ashes flushed down the toilet that General Patton used. Cotton spoke his name as he lay dying in the VA hospital.
Irwin Linker (voiced by Jack Carter) — Irwin is one of Cotton Hill's wartime friends who is often seen with an oxygen tank. He was one of the few to not be named Stinky, Fatty, or Brooklyn.
Ted "Pops" Popazito (voiced by Jim Cummings) — One of Cotton's war buddies who lived next to Bill for eighteen years. He often criticized Hank and his friends for using modern tools for housework. In "Movin' On Up," he died of a heart attack on his lawn mower and his house was rented by Luanne and some college friends.
John Redcorn (voiced by Victor Aaron in 1997, Jonathan Joss in 1998–2009) — John is Nancy's former American Indian "healer" and adulterous lover, and the real father of Joseph. He is a former roadie for Winger and lead singer of Big Mountain Fudgecake. In Season 9, he began writing and performing his own children's music. He works out of his trailer as a masseur, though his clients are generally only women. It is implied that he has a history of having sex with them, as Hank is horrified when Peggy goes to see him, and John Redcorn even states to him, "Hank, I consider you a friend. I would never heal your wife the way I heal the wives of others." He is also active in American Indian rights campaigns, and Dale once helped him with a lawsuit that netted him twelve acres of land from the Federal government. Because Dale had been so helpful, Redcorn felt extremely guilty over what he did to Nancy, and ended his affair by encouraging Nancy and Dale to strengthen their marriage.
Ted Wassonasong and Cindy Wassonasong (voiced by Mike Judge and Lauren Tom respectively) — Ted and Cindy are affluent Laotian-American acquaintances of the Souphanousinphones. Kahn and Minh envy and resent them, but go to great lengths to gain their favor, such as inviting them over for dinner. They live in the upscale, gated community of Arlen Heights, and are prominent members of Nine Rivers Country Club. Ted and Cindy tolerate the Souphanousinphones but, in reality, look down upon them. They joined the Episcopal Church despite being Buddhist because it was "good for business."
Octavio (voiced by Mike Judge) — Octavio is a Hispanic quasi-mercenary who does various bizarre favors for Dale when paid enough money. On his chest is a large Rob Zombie tattoo. His appearance was modeled after actor, Danny Trejo who voices Enrique on the show. His last appearance was a nonspeaking cameo in Just Another Manic-Kahn Day.
M.F. (Milton Farnsworth) Thatherton (voiced by Burt Reynolds in the first appearance, Toby Huss in later appearances) — M.F. is a former employee of Strickland Propane and another antagonist who strikes out on his own and opens up the crooked Thatherton Fuels company across the street from Strickland. He dresses like an old school rich cowboy with a ten-gallon hat and cowboy boots. An untrustworthy type, Thatherton is a sometime foil to Hank Hill and/or Buck. His sins are similar to Buck Strickland's (womanizing, gambling, using people), but more pronounced. Thaterton openly considers customers as little more than moneymakers and hires centerfold models or Hooters girls to bait potential propane customers.
Reverend Thomason (voiced by Maurice LaMarche) — A reverend at Arlen First Methodist Church. He was replaced by Reverend Karen Stroup upon retiring to start an online ministry.
Reverend Karen Stroup (voiced by Mary Tyler Moore in 1999, Ashley Gardner in 2000–2010) — The first female minister of Arlen First Methodist Church. She is originally from Minnesota, but is assigned to Arlen after Reverend Thomason left to start an online ministry. She and Bill finally become a couple, yet he broke up with her when she moved in and it felt like everything was moving too fast. The congregation also objected to the relationship. She didn't take it well but there has been no talk about their relationship since that episode.
Jimmy Whichard (voiced by David Herman) — Jimmy is the town imbecile, and the main antagonist in "Life in the Fast Lane - Bobby's Saga". He has had several jobs, including concession manager at the racetrack and outsider artist. Dale notes that he may have given himself brain damage from staring into the sun for too long, although "he can't have been too bright to do it in the first place." When Peggy was scammed by an internet test that "proved" she was a genius, she only believed it to be a scam upon learning that Jimmy was also proclaimed a genius.
Chuck Mangione (voiced by Himself) — Chuck is a famous jazz trumpeter and flugelhorn player, and his hit song "Feels So Good" is played frequently on the show. He shamelessly promotes Mega-Lo Mart until he grows tired of going to every Mega-Lo Mart opening (there are 400 per year) and becomes a hermit, living within the Arlen Mega-Lo Mart in a "Toilet Paper Castle" and stealing stocked items.
Monsignor Martinez (voiced by Mike Judge) — The Monsignor is the gun-toting priest hero of the fictional TV seriesLos Dias y Las Noches de Monsignor Martinez, a favorite of many of the principal characters. Clips of his program are often inserted into episodes as part of a running gag. In one of the episodes, Hank mentions that Martinez is an undercover cop. The clips of his episodes which appear on the series usually feature him just about to kill one of his nemeses while solemnly uttering his catchphrase, "Vaya con Dios"; often preceding a melodramatic explosion. In the 8th season episode "Flirting with the Master," the actor who plays Martinez invites Peggy to Mexico City to tutor his children, and she mistakes his interest for romantic passion. A live-action pilot was filmed featuring the character, but never aired because FOX didn't think it would have been a good idea to have a show about a Catholic priest shooting people.
Lane Pratley (voiced by Dwight Yoakam in the first appearance, Dave Thomas in later appearances) — Lane is a sleazy car dealer who owns "Pratley Ford" and "Pratley Hyundai," and as he says, "I got my eye on Pratley Cadillac—my daddy ain't doing so good." Lane once owned a women's roller derby team that Peggy and Luanne skated for, before Peggy organized the skaters into a buyout and quit.
Mark Buckley (voiced by David Herman) — Buckley was the slacker boyfriend of Luanne. He was killed in a propane explosion by his own negligence while working at Mega-Lo Mart in the second season finale. The character did return once (as an angel) on the episode "Wings of the Dope," where Kahn buys Buckley's trampoline for his backyard and Luanne (who has been stressed over beauty school finals) begins seeing Buckley's angel.
Officer Brown (voiced by Fred Willard) — Officer Brown is a local police officer in Arlen who is not averse to tampering with evidence and taking bribes from illegal food operations, as explained in episodes 20 and 11 (respectively) of season 12. In the episode "Cops and Roberts," Principal Moss states that "Officer Brown may be a disgraced cop who tampered with evidence . . . but this here used to be a man". His appearance is modeled after his voice actor.
Jack (voiced by Brian Doyle-Murray) — Jack is Hank's mentally unstable barber. Eventually, his distress affects his ability to style hair, causing Hank great embarrassment. Jack was almost forced out of business when a trendy salon named Hottyz opened across the street, but he was able to secure Luanne and Bill's services after Hottyz fired them when they learned Bill was not the homosexual hairstylist he'd been posing as.
Eustace Miller (voiced by David Herman) — Eustace is a wimpy, mustachioed patent lawyer and father of Bobby's classmate Randy.
Bob Jenkins (voiced by Henry Gibson) — Bob is a veteran reporter for The Arlen Bystander and is Peggy's main rival there. His left eye was scraped out of his skull because he had a brain tumor. When Peggy thinks the "Waffle House" beat is beneath her, Bob takes it over and breaks the story of Dale as "The Smoking Bandit." In "Bysand Me" (his debut episode), he tells Peggy that whenever he gets writer's block, he hires a prostitute.
Miss Kremzer (voiced by Jennifer Coolidge) — The teacher at the beauty school Luanne went to. She is very condescending towards Luanne in her first appearance. After Hank's speech that gets Kremzer to change her grade for Luanne, she acts sympathetic along with the other students, but is right back to her previously-displayed bad attitude in subsequent episodes.
Sharona Johnson (voiced by Dawnn Lewis) — A girl that goes to the same beauty school that Luanne went to, Sharona is hardworking and intelligent but is also very arrogant and puts down Luanne constantly.
Chris Sizemore (voiced by Chris Elliott) — A real estate agent that Peggy once worked for after she wrote a scathing article about him in the Bystander for which she was consequently fired.
Gary Kasner (voiced by Carl Reiner) — An elderly Jewish man who serves as Tilly Hill's new love interest following her separation from Cotton. He served on a submarine during Korea, but tells Bobby he didn't see any action during the conflict. Hank was initially not happy with his mother's decision to pursue a relationship again, but Hank changed his mind when Gary threatened to kick Cotton's ass if he kept talking bad about Tilly. In the "Honeymooners" episode, it is revealed that Tilly had left Gary and married her new boyfriend, Chuck.
Tom Chick (voiced by Phil Hendrie) — The manager of the Channel 84 news division.
Nguc Phong (voiced by James Sie) – A Laotian who is one of Ted Wassonasong's friends.
David "The Flyin' Hawaiian" Kalaiki-Ali'i (voiced by Brendan Fraser) — David is a the star football player for Arlen High School in the episode "Peggy Makes The Big Leagues." He has a carefree attitude towards school, figuring he can coast by on his football skills (as most of the Arlen High teachers cut him slack due to his importance on the team), but he runs afoul of Peggy. Due to the No Pass No Play policy, this prevents David from playing football until he raises his grades, earning Peggy the ire of the local booster club.
Mrs. Kalaiki-Ali'i (voiced by Amy Hill) — A Hawaiian insurance agent Hank visits when Kahn backs into Hank's truck with his van. A later episode revolved around her son David who was a star football player at Arlen High and was doing poorly in his classes.
Fred Ebberd (voiced by Chelcie Ross) — A member of the city council who also works at a movie theater. He appeared in only two episodes, but is mentioned by Hank in several others.
Anthony Page (voiced by David Herman)- An ultra-liberal social worker from Los Angeles. In the pilot episode, he is assigned to investigate the allegation that Hank is beating Bobby. He appears in a later episode as Leon's advocate when Hank fired him for drug-abuse.
Jody "Ray Roy" Strickland (voiced by Diedrich Bader) — Jody, the illegitimate son of Buck Strickland, lives in Tennessee. Buck meets him at the National Propane Gas Convention. Affectionately dubbed "Ray Roy" by Buck when he cannot remember his real name, he gladly accepts the nickname. Like his father, Jody also runs a propane company named Strickland Propane that's based in Gatlinburg, Tennessee. Also like Buck, Jody is a compulsive gambler, chauvinist, alcoholic, cheat, and womanizer.
Wesley Cherish (voiced by Andy Richter) — Wesley is a new neighbor that moved to Arlen from Fort Worth in the episode Straight as an Arrow. Wesley's wife is Annette. They have six children (only two of which have been named, boys Robin and Carey, one of which has ADHD, and the other hyperglycemia). The children are home schooled by Annette. Wesley does not allow his children to play video games or watch TV (although they do have a TV, which is mainly used as an end table) and are not allowed to participate in "predatory sports" such as football, basketball and tag.
Tammi Duvall (voiced by Renée Zellweger) — Tammi is a prostitute who was from Oklahoma City, Oklahoma (referred to as The "OKC") in the episode "Ho Yeah!". She was hired at Strickland Propane and went to lunch with Peggy. The pair become fast friends, and Tammi has expressed her desire to get her GED. Peggy decided to tutor Tammi, and because Tammi does not have a place to live, she is welcomed to stay in the den, much to Hank's objections. Tammi has gone out with Barry, Lane Pratley, and Miles Burton, all the while getting Peggy to dress like a prostitute also. She has read Congo, the book that Peggy has given her, and she has been giving Hank money, and has given him a cowboy-style hat with a big feather. When she was arguing with a man named Donald, Hank decides to intervene and Tammi explains that Donald took her money, making Hank demand that Donald returns the money. Frightened, Donald surrenders the cash back to Tammi. Later, a man named Alabaster Jones, the "main mack" of Oklahoma City, confronts Hank and introduces himself as Tammi's pimp. Alabaster accuses Hank of "trickin' Tammi out all over town.” Hank denies it but remembers all of the things Tammi has been doing and realizes that Tammi is a prostitute and Alabaster, thinking Hank has been acting as Tammi’s pimp, tells Hank that either Tammi goes back to being his ho, or Hank becomes his new ho. As Hank has confronted her in the public library, Tammi tells the truth, and Hank has told Tammi that she has to leave. In the car on the way home, Tammi thanked Hank and Peggy for all they have done for her. But, unfortunately, Hank is rear-ended by Alabaster, who wanted Tammi. Hank tries to outrun him, to no avail. When Tammi requests that Hank stops the car so she can exit and return with Alabaster to Oklahoma City, Hank slams on the brakes. He steps out of the car and tells Alabaster to do likewise. Hank then hands Alabaster all of the cash Tammi gave him and states that Tammi is now his “ho.” Alabaster takes the money and tries to get Peggy, but Hank refused and after Alabaster drives off, Tammi decides to go straight.
Alabaster Jones (voiced by Snoop Dogg) — Alabaster is a pimp and the main antagonist in "Ho Yeah!". He came from Oklahoma City, Oklahoma (referred to as The "OKC") in the episode and confronted Hank, accusing Hank of "trickin' Tammi out all over town.” Hank denies it but remembers all of the things Tammi has been doing and realizes that Tammi is a prostitute and Alabaster, thinking Hank has been acting as Tammi’s pimp, tells Hank that either Tammi goes back to being his ho, or Hank becomes his new ho. Alabaster deliberately rear-ended Hank, wanting Tammi. Hank tries to outrun him, to no avail. When Tammi requests that Hank stops the car so she can exit and return with Alabaster to Oklahoma City, Hank slams on the brakes. He steps out of the car and tells Alabaster to do likewise. Hank then hands Alabaster all of the cash Tammi gave him and states that Tammi is now his “ho”, making Alabaster nervous as Hank is bigger that Alabaster. Alabaster takes the money and tries to get Peggy, but Hank refused, telling Alabaster that Peggy is his wife, and Alabaster drives off.
Cane Skretteburg (voiced by Tré Cool) — Cane Skretteburg is the lead singer of a punk rock garage band and one of the main antagonists in the episode "The Man Who Shot Kane Skretteburg". Hank confronts this character with his band (voiced by Green Day) because their music was too loud. Later in the episode they have 3 paintball wars, the first two Hank, Boomhauer, Bill and Dale lose but win the last one. Cane and his band later appear in the episode "Master of Puppets".
Spongy- The homeless man in many episodes including "The Texas Panhandler". Quote: "Ever since Ronald Regan kicked me out of my mental hospital."
Henry Winkler (voiced by and guest starred as himself) — Henry Winkler is the main antagonist in the episode "A Rover Runs Through It". He bought the land that was next to the ranch, wanting to take over Montana so that he and everyone else in Hollywood can modernize it. Hank tried to reason with Henry to let the cattle through to get to their grazing spot in the mountains, but Henry refused, saying that the cattle will pollute the river where he fishes. When Peggy, Bobby, Hank, and Peggy's two brothers led the cattle through the town, using the main street as a temporary trail for the cattle, Henry gives back the land. At the end of the episode, he revealed his true intentions to let the cattle cruise through to the grazing spot when he and Hank are now fishing in the river.