||Flash Comics #1 (January 1940)
||The reincarnation of Hath-Set, priest of Anubis who slew both Prince Khufu and Shiera (who would both be reincarnated as Carter Hall and Shiera Sanders), Dr. Anton Hastor attempted to use a lightning machine to offer new sacrifices to Anubis.
|Alexander the Great
||Flash Comics #2 (February 1940)
||Wealthy, bald, corpulent inventor of a gravity ray, who attempted to use it to blackmail the world into submitting to his rule.
||Flash Comics #3 (March 1940)
||With her associate, Russian scientist Count Torgoff, and her henchman, Rolf, Una arranged the apparent death of Carter Hall’s college friend Dick Blendon and kept him trapped, in pain and partially paralyzed, in a chemical tank, one of several in which she stored other scientists and thinkers, in order to secure from him the secret to eternal life. Una had access to voodoo magic, which she attempted to use to kill Hawkman.
|The Thought Terror
||Flash Comics #4 (April 1940)
||Powerful hypnotist and cult leader.
|Trygg the Sorcerer
||All Star Comics #1 (Summer 1940)
||A powerful sorcerer that controls an army of zombies.
|Sheba, Queen of the Desert
||Flash Comics #6 (June 1940)
||Self-proclaimed Queen of the Desert, Sheba was a lovely blue-skinned woman who led an uprising and eventually built an army, operating out of Istanyulq, with the goal of establishing a pan-Arab state.
|The Statue Man
||Flash Comics #7 (July 1940)
||Boris Nickaloff molded a statue out of “plasm-clay” and injected it with adrenaline, bringing it to life as a bullet-proof, white-marble-skinned golem he named Czar, but who was called variously the Statue Man and the Unkillable Man when Nickaloff sent it to steal for him.
||Flash Comics #8 (August 1940)
||Scientific genius who discovered how to harness the power of sunspots in order to cause madness and destruction.
||Flash Comics #9 (September 1940)
||An undersea race with telepathic powers and a desire to conquer the surface world with their matter-destroying ray, they were led by King Jupo, a horned Kogat more than 10 feet tall.
||All Star Comics #2 (September 1940)
||The priestess for an Aztec rain god, Nyola gained the power to control the weather. Later a member of the Monster Society of Evil.
|Satana, the Tiger Girl
||Flash Comics #13 (January 1941)
||Sara Descarl was a brilliant scientist and surgeon who discovered how to transplant human brains into the bodies of tigers, which then followed her every command, both in her stage act as “Satana, the Tiger Girl” and in her extortion-murder plots.
||Flash Comics #14 (February 1941)
||Summoned Scorio, the alligator god of the Phoenicians, who taught him how to create flame guns with which he equipped a small army he intended to use to conquer the world.
||Flash Comics #15 (March 1941)
||Edwin Thayer somehow created a flying disembodied hand that murdered his brother for him and would have been sent to kill his niece Teddy, the sole other surviving heir, before his scheme was undermined by his murderous floozy girlfriend Sandra.
|The Golden Mummy
||Flash Comics #17 (May 1941)
||Dr. Selkirk, spurned lover of opera singer Camilla Cordova, disguised himself as the Golden Mummy and hired a gang he painted in gold paint.
||Flash Comics #19 (July 1941)
||Pratt Palmer, unhinged but brilliant physicist, invented a “cold light” device that released a bolt of destruction.
||Flash Comics #26 (February 1942)
||With his assistant, the dwarf Iago, Armond Argot developed a means to transfer their brains into the bodies of men and women they held prisoner. Argot also wielded hypnotic powers and could read the mind of anyone he held fixed with his hypnotic stare.
||Flash Comics #29 (May 1942)
||Explorer and botanist who discovered orchids that released sleeping gas and a dangerous sentient “plantman.”
||Flash Comics #31 (July 1942)
||Created a mechanical craft disguised as a giant roc as well as a robot duplicate of Hawkgirl.
||Flash Comics #32 (August 1942)
||Thief who used gimmicky coins to aid him in his burglaries.
||Flash Comics #33 (September 1942)
||A brash young scientist traveled across the world, obtaining various plants reputed to enhance mental capacity, and developed a brew that gave him the wisdom of the ages while aging his body rapidly to old age. He wielded a scythe that shot a dart, made from a metal that dissolves once in the heat of the body, delivering a poison not known to modern science.
||Flash Comics #36 (December 1942)
||The dwarf Amos Gander operated the police lost and found department, where he ran a scheme in which specially stamped parcels of stolen goods would be distributed to crooks.
||Flash Comics #37 (January 1943)
||A tall, thin man with a ghastly visage, Chance operated an illegal casino in which wealthy men could bet with their lives to resolve their debts.
||Flash Comics #45 (September 1943)
||The janitor at a historical museum became a secret crime lord calling himself “The Letter” because of his practice of communicating with his henchmen via letters they would retrieve by swapping busts of historical scientists (whose accomplishments set the theme for the next crime) with busts of criminals.
|The Human Dynamo
||Flash Comics #49 (January 1944)
||The chemist Danford March became a living electric power generator in a lab accident. Afraid of harming others in his condition, he exiled himself and returned to the city at night to steal in order to secretly research a cure for his condition. He covered himself in liquid rubber and channeled his power through his hands.
||Flash Comics #52 (April 1944)
||Ornithologist Hester Morgan had multiple scientific degrees but found sexism got in the way of her efforts to use her training to make money, so she fashioned winglike gliders and used a blinding magnesium flashbulb to launch a one-woman crime spree, with a specialty in stealing jewels. She later returned with a grudge against Hawkgirl.
||Flash Comics #53 (May 1944)
||Simple Simon was Simon Atwell, who grew up in a tenement on the wrong side of the tracks, idolizing gunmen and bootleggers. Believing his idols were caught when their schemes got too complex, he applied his genius to pulling off advanced crimes using no more than three simple aids every time (such as a diamond ring, chewing gum, and wire to rob a jewelry store), as a sort of MacGyver of crime.
||Flash Comics #64 (April–May 1945)
||Jonathan Cheval, an honest businessman in the field of optics, loses his business because of a criminal scheme and seeks revenge on the people who cheated him, using monocles he invents with a range of powers.
|Fussy Dan Nash
||Flash Comics #67 (October–November 1945)
||A masked criminal, with his henchman/butler “Chimp,” who operated an antiques shop and funded his lavish lifestyle, including his repeatedly redecorated apartment, by stealing rare objects for wealthy black market purchasers.
||Flash Comics Miniature (April 1946)
||A handgliding criminal.
|Hawkman vol. 1, #17 (January 1967)
||Joey Makk is a bird trainer that took to a raven costume and tried to steal a previously undiscovered book by Edgar Allan Poe.
||Flash Comics #71 (May 1946)
||Rebel of the peaceful city of humanoid birds, Feithera.
||Flash Comics #75 (September 1946)
||The mischievous god crossed the barrier into the human realm and caused chaos in Mardi Gras by turning costumed revelers into mythical creatures when he blew his pipes.
||Flash Comics #85 (July 1947)
||A strangler who uses a faux film company to stage real robberies.
|The Purple Pilgrim
||Flash Comics #86 (August 1947)
||Hidden Valley cut itself off from the outside world in 1637, living a quasi-Amish lifestyle into the present, and fell prey to the machinations of a crook who became “The Purple Pilgrim” and led a crusade to slay all descendants of the cruel Judge Sanders, including Shiera Sanders, the Hawkgirl.
||Flash Comics #87 (September 1947)
||Ingenious crook with a penchant for swinging around a fencing foil.
||Flash Comics #88 (October 1947)
||Gentleman Jim Craddock is a ghostly terror out to defeat Hawkman and Hawkgirl.
||Flash Comics #89 (November 1947)
||Gyp Haines kidnapped the circus acrobat “Aero” and forced him to teach him and his gang all he knew, then killed him and put his new acrobatic skills to use in plotting daring crimes.
|The Flying Bandits
||Flash Comics #93 (March 1948)
||John Upton, secretary for Mr. Kendall, used jet-propelled gas balloons shaped like horses so that he and his gang appeared to be Old West bandits on flying horses, which he used to rob valuable cargo being delivered on Kendall Airlines aircraft.
|The Witch Doctor
||Flash Comics #97 (July 1948)
||Famous explorer Craig Evans donned a giant witch doctor mask to try to force Hawkman and Hawkgirl to reveal where they had hidden jewels stolen by his gang in a hold-up aided by an elephant stampede.
||Flash Comics #102 (December 1948)
||One of Carter Hall’s fellow scientists, Johnson stole Hall’s radar-control device and used it to guide his own invention, plastisteel bubbles, which he could selectively render permeable in order to steal armored cars and other valuables while in his guise as a masked crook.
||Flash Comics #100 (October 1948)
||Jonathan Rotor is the size of a fly with the strength of a man.
||Justice League of America vol. 1, #3 (February 1961)
||Plant elemental and ruler of the planet Alstair who conquered Thanagar and sought to use the Hawkmen to conquer Rann.
||Justice League of America vol. 1, #3 (February 1961)
||A high-ranking official in the Thanagarian Ministry of Alien Affairs, the former ruler of Dhor sought to usurp power on Thanagar.
||The Brave and the Bold #34 (February–March 1961)
||Thanagarian thief who stole for the thrill of the adventure, who stole a pill from the scientist Krotan that gave him shapeshifting powers and fled to Earth, pursued by the Thanagarian police agents who would become Hawkman and Hawkwoman.
|Hawkworld #__ (___ 1989)
||A corrupt Wingman commander who rises to power by manipulating Katar Hol into killing his father, becomes the Administrator of Protection, and then gains shape-shifting powers from a new drug called Krotan.
||The Brave and the Bold #35 (April–May 1961)
||Scientist turned alchemist Mark Mandrill accidentally discovers a new substance he dubs Mentachem, which he fashions into a wand that gives him the power to reshape, transmute, or levitate any matter.
||The Brave and the Bold #36 (June 1961)
||Career criminal Carl Sands was conducting experiments on shadow projection while in prison, when he made contact with an alien explorer named Thar Dan from the Xarapion dimension, who rewarded Sands for saving his life by giving him a Dimensiometer and a pair of ebony gloves that allows him to hold objects while in shadow form.
||While growing up in Japan, American Carl Sands learns ninjutsu techniques and becomes a rather undistinguished industrial saboteur, until Thanagarian criminal Byth hires Sands and arms him with a Dimensiometer, a Thanagarian belt device/"shadow vest," which gave Sands the ability to shift his body into a shadow form
||The Brave and the Bold #36 (July 1961)
||An archaeologist and illusionist, Kaslak sought Chaldean magic to create creatures of myth to do his bidding.
||The Brave and the Bold #43 (August - September 1962)
||An alien race of bird-like humanoids that in wake of a war with the reptilian Lizarkons have spanned the cosmos looting planets.
||Mystery in Space #87 (November 1963)
||Small-time crook Ira Quimby becomes superintelligent, but only for short bursts of time, after exposure to a rock imbued with Zeta Beam radiation.
||Hawkman vol. 1, #1 (May 1964)
||Despot of the Aztec nation in the Yucatán, Chac used alien weaponry taken from a crashed alien vessel to maintain power and a potion to extend his life so that his empire may stand for centuries. He was usurped by his people when they used one of his potions to give him amnesia. Hundreds of years later, his memory returned when he discovered one of his ancient weapons and sought the rest of his arsenal which caught the attention of the Hawks.
||Hawkman vol. 1, #6 (March 1965)
||A race of winged apes that menaced the Hawks on occasion.
||Hawkman vol. 1, #7 (May 1965)
||The so-called Criminal Alliance of the World, they were a clandestine organization that butted heads with the C.I.A. Hawkman stumbles into a battles between the two powers and agrees to help stop C.A.W., making him an ongoing target for the villainous group.
||Hawkman vol. 1, #8 (July 1965)
||Leader of the Earthbound Kalvars, a bird-like humanoid alien race.
||Hawkman vol. 1, #11 (January 1966)
||Evil dictator of Moronon who seized power of the planet as the heir of the throne was heralded away to Earth.
||Hawkman vol. 1, #11 (January 1966)
||Heir to the throne of Moronon sent to Earth and raised by the Comoc in the Yucatán that thought the youth a gift from the god Kukulkán. He came into conflict with the Hawks during a global crime spree stealing Aztec artifacts that Shrike believed were stolen by the white man.
||Hawkman vol. 1, #16 (November 1966)
||High Priest of Quaranda, Ruthvol sought to sacrifice Wingors to the god Involos to usurp the throne of Queen Thais Tal.
||Atom vol. 1, #31 (June 1967)
||Criminal ringleader Johnny Burns becomes the super villain Toyboy when his mother experienced an accident that briefly endowed her with psychic powers which in turn gave Toyboy telekinesis (which he uses to control toys) and super-strength. Mrs. Burns also created a psionic construct of Johnny that wanted to reform and when in the presence of Toyboy, Johnny was reborn as a man seeking redemption for his crimes.
||Hawkman vol. 1, #20 (July 1967)
||Archaeologist and lion-hunter Ed Dawson touched a mystical meteor called Mithra, which transforms him into a were-lion.
|Hawkman vol. 3, #20 (___ 19___)
||A Lion Avatar, which had repeatedly fought the Hawk Avatar throughout time and space, took control of scientist Karen Ramis until being expelled from that body, when it then possessed a man named Ed Dawson.
||Hawkman vol. 1, #22 (November 1967)
||A winged menace with a control device that made birds obey him.
||The Brave and the Bold #78 (June 1968)
||Largely a Batman villain, Copperhead became an ally to Shadow-Thief and Tigress and would go on to menace the Hawks.
|Queen Elda of the Infinite Empire
||Hawkman vol. 1, #26 (July 1968)
||Ruler of a vast cosmic empire seeking to rule the universe but has been halted for three centuries by the Egg of Harlin.
||Justice League of America vol. 1, #116 (March 1975)
||Son of the villainous Hawkman Fel Andar, Charley Parker (Ch'al Andar) pretended to be a hero but was part of his father's plan to infiltrate Earth's defenses for Thanagar. In recent history, he organized Hawkman's enemies to eliminate the hero such that he can take his place.
||Detective Comics #479 (September 1978)
||Art historian Anton Lamont comes across the conjure cloak of Cagliostro, which gives him the ability to teleport to another dimension, and which he uses to embark upon a life of crime.
||New Teen Titans #22 (August 1982)
||Representing Tamaran during the Rann-Thanagar War, she betrays the forces of Rann and murders the Thanagarian Hawkwoman. She later makes an attempt on the lives of the Hawks but Hawkman uses Psion technology to strip her of her powers.
||The Shadow War of Hawkman #1 (May 1985)
||A Thanagarian spy that sought to infiltrate Earth's heroes for an invasion from a coalition of alien races that feared the threat Earth posed should it develop technology that permitted them to travel through space en masse.
||Hawkman vol. 2, #3 (October 1986)
||Deron Ved is the director of the Hyathis Corporation that used the Absorbascon to gain power.
||Infinity, Inc. #34 (January 1987)
||Daughter of Sportsmaster and Huntress, Tigress would form an alliance with Shadow-Thief and Copperhead crossing swords with the Hawks.
||Hawkworld vol. 2, #27 (October 1992)
||Daniel William Ducannon was a neo-Nazi with a high-tech suit of armor.
||Hawkman Annual vol. 2, #2 (1991)
||An acrobatic criminal who can leap across distances, who was genetically created for the Sunderland Corporation by Dr. Moon.
||Hawkman vol. 2, #30 (January 1993)
||Comte Etienne du Vipere is a powerful telekinetic able to switch bodies with others.
||Hawkman vol. 3, #3 (November 1993)
||William Kavanagh was mutated into a pterodactyl humanoid and worked under Count Viper.
||JSA #23 (June 2001)
||The Sin Eater, one of the Seven Devils that razed Thanagar at the dawn of its civilization, Synn is the master of Nth metal, his gigantic body composed entirely from it. One of the greatest threats to ever face the planet, Synn can steal the life out of the living to fuel his strength and return them as an undead servant. One of Hawkman's recent reincarnations was attributed to be Thanagar's champion against Synn and his armies.
||Hawkman vol. 4, #1 (May 2002)
||A massive assassin with superstrength and the ability to turn off one of a person's senses.
||Hawkman vol. 4, #1 (May 2002)
||A wealthy art collector, he is a descendant of Hath-Set and plots with his disembodied relative to destroy the Hawks.
||Hawkman vol. 4, #19 (November 2003)
||A South American shaman, he is able to take the heads of victims and gain their knowledge. He developed a strange fascination with Hawkman, seeking to strip away the civilized aspects of his personality. To this end, he developed a knowledge of Nth metal and sought the remains of Hawkman's past incarnations for undead servants. He's seemingly immortal, being decapitated and able to simply reattach his head.
||Hawkman vol. 4, #28 (July 2004)
||Augest Davezak was an animal rights activist who was caught in an explosion of his own making at a research facility. Bathed in the viruses therein, he can see the diseases in others and became a serial killer.
||HawkGirl #50 (May 2006)
||Brightest Day #8 (October 2010)
||Mother of Chay-Ara and queen of the Nth metal city above the clouds of Hawkworld for over two thousand years, Khea Taramka had Hawkman and Hawkgirl nailed to a gate made of the remains of the Hawks' past incarnations as she attacked Zamaron. She was overtaken by the Predator entity until the Hawks separated the two and Taramka was sucked into the Star Sapphire Central Power Battery.