Blinky Bill: The lead character, a young koala. He wears red knickerbocker dungarees with a yellow button. His voice actor Robyn Moore based his voice on a naughty little boy in her classroom when she used to be a primary school teacher.
Nutsy: Blinky's stepsister, another young koala, she become Blinky's sister at the end of Series 1. She wears a purple dress and a pink scarf.
Flap: A platypus, who is one of Blinky's friends. He hates being called Duck. He wears yellow trousers. He has a speech impedement like the Looney Tunes character, Daffy Duck.
Splodge: A kangaroo who is one of Blinky's friends. He wears a green cap and green overalls with yellow suspenders.
Marcia Marsupial Mouse: A tough tomboy mouse, another of Blinky's friends. She wears pink overalls and a pink bow.
Mr. Walter Wombat (nicknamed "Wombo" by Blinky and his friends): Blinky's mentor who gives him assistance when needed. He wears a dark green robe, old gloves, shoes, and green trousers with suspenders.
Miss Magpie: The town's school teacher. She only wears a black mortarboard hat.
Mrs. Koala: Blinky's mother. She marries Nutsy's father and becomes Nutsy's mother. She wears a pink dress.
Mr. Koala: Nutsy's long lost father. He marries Blinky's mother and becomes Blinky's father. He wears shorts and a blue shirt.
Mr. Platypus: Flap's father. He wears glasses, a brown shirt and brown trousers.
Mrs. Platypus: Flap's mother. She wears a pink dress and a white bonnet.
Mayor Pelican: The town's pompous, unhelpful mayor. He wears nothing but a pink top hat and mayoral sash.
Mrs. Rabbit: A Greenpatch resident and mother of many children. She wears a lilac dress and an apron.
Mr. Rabbit: Mrs. Rabbit's husband and father of many children. He wears a hat and speaks with a Yorkshire accent.
Granny Grunty Koala: An elderly koala who is hard of hearing. She wears glasses and wears old clothes like Wombat.
Danny Dingo: Blinky's main antagonist. Often wears dark glasses.
Meatball Dingo: Danny's younger, fatter brother, also a bully but not very bright. He wears just boots and a bucket hat.
Daisy Dingo: Danny's sister. More concerned with her looks than anything. She wears a halter top, blue jeans and light-blue shoes. Her bathing suit is a green bikini.
Shifty Dingo: Danny's youngest brother, who tries to fit in with Blinky and his friends and is eventually accepted. He joined Blinky's gang in Series 2.
Ma Dingo: The bad-tempered mother of Danny, Meatball, Daisy and Shifty. She wears a yellow dress and a green head scarf.
Mr. Emu: Mayor Pelican's helper. he wears an orange shirt.
Ms. Echidna: An echidna who is not fond of Blinky's mischievous behaviour. She wears a blue head scarf and a pink dress.
Jacko: a kookaburra who often laughs. He wears an aqua shirt and matching hat.
Nurse Angelina: A wallaby nurse at Greenpatch Hospital. She always seen in a nurse's uniform.
Mr. Kangaroo: Splodge's father. He wears a red hat, light blue shirt and dark blue pants
Mrs. Kangaroo: Splodge's mother, She wears a light pink dress with a flower on her hat.
Mr. Marsupial Mouse: Marcia's father. He wears a black shirt and pants.
Mrs. Marsupial Mouse: Marcia's mother. She wears a pink dress.
Mrs. Spotty: A Greenpatch resident and mother of 6 children, who is a frog. She wears a pink dress.
Slippery: A big Weddell seal who can be a bit clumsy. Tico wanted him to go home first to Antarctica because he always gets squashed by him. He was caught on a boat with a wolf figurehead. He wears purple pants.
Leo: An old African lion. At the circus, he was fierce with his false teeth, but at other times shows his cowardly side. He was caught by poachers and sold to the Circus Bros. In the African Plains (where he came from), he is rejected until he proves his worthiness. He wears purple pants. He was the second to go home.
Ling Ling: A young wise giant panda. She always remembers her master's wisdom. She is good at magic and is very helpful. She wears a light blue jacket. She was the third to go home.
Yoyo: A monkey who was born in captivity and became parentless and thus has no idea of his origin. He loves to play pranks and sometimes causes trouble. After much exploration around the world, he finally finds his family in India who are Temple Guardians of the Forbidden Temple. He wears yellow pants with yellow suspenders. He was the forth to go home.
Princess Penelope: A beautiful French poodle who often worries. She has many precious things. She wears a necklace and a pink Tutu, but in India, she has a red spot, a purple skirt and a sari. She once lived with a human in Paris who she calls a Mistress. She was accidentally sold to the Circus Bros. as a puppy. She was the last to go home.
The Circus Bros.: Two human brothers named Basil and Cyril who are the leaders of the circus with the mistreated animals. They chase Blinky around the world to catch him and his friends. They believe Blinky will be the star who'll make them rich after seeing him on the trapeze which he grabbed by accident. Basil is the Ringmaster, who wears a black top hat, a black coat, a white shirt, purple trousers and has black hair with a ponytail and a mustache and is fat. Cyril is the clown who wears a clown face (which he is seen without after the Circus was stolen), blue overalls, a white shirt and has ginger hair). They're the main antagonists. At the end of each episode Basil accuses Cyril for failure.
Tico Toucan: A grumpy miniature toucan who works for the Circus Bros. and befriends Blinky and his friends. He is often the cause of the things that happen to the balloon. He tries to help the Circus Bros. catch the animals but Blinky doesn't know about that until they reach the Amazon jungle. He originally did come from the Amazon with the other toucans, he decided to stay with the crew feeling that he didn't fit in with the other toucans despite being welcomed by them. In India he became the director of a show performing bear, mongoose and rat.
Minor Characters who Blinky met on the journey
Skipper the Scurvy: A human who caught Slippery on a boat with a wolf-like figurehead. He went with the Circus Bros. to Antarctica to head for Slippery's family. He wears an eye patch and has a peg leg.
The Penguin Colony: the family of the Baby Penguin that considered Flap to be his mother and followed him around. He took him home to his mother named Doris.
Rex: Leo's Son, King of the Mumbada Pride. He wears light brown shorts with a belt.
Claude: Rex's Son, Leo's Grandson. He wears blue pants.
The Poachers: Men who caught Leo and convinced the Circus Bros. to bring them a lion cub.
The Chimpanzees: A group of apes who Yoyo thought was his family.
The Ostrich Pride: Ostriches who had their feathers plucked by humans. Blinky was rude at them. They helped the crew get Penelope's diamond bracelet back from the Bros..
Twigger: A giraffe who Blinky met while running away from his friends after thinking that they forgot his birthday. She was caught by Poachers. She took Blinky back to his friends. She wears a blue bandana.
Nimi and Tobaccu: Giraffes who Twigger knows. Part of her herd.
The Expert Game Trackers: Two humans who the Circus Bros. went with. They put them in a crate and stored them on a ship.
The Elephant: an African elephant who borrowed the caravan to take her sick calf to some grass with help of the crew.
Anna: An Anaconda who is afraid of water, ever since she was young. She was in the Caravan with the crew. She saved Blinky when Basil pulled him out of the Caravan and into the water. She even saved the caravan from going over a waterfall.
Coco Phil: A Howler Monkey who resembles Blinky. He has two yellow buttons instead of one.
Sophia: Coco's adoptive sister who resembles Nutsy. She wears a pink dress and a yellow bandana.
The Leafpatchers: South American animals who resemble the Greenpatchers. Coco has four unmentioned friends who are a sloth (similar to Flap), An anteater (similar to Splodge, but wears a blue shirt), A guinea pig (similar to Marcia) and a jaguar (similar to Shifty). Others include a jaguar family similar to the Dingo Family, an alligator similar to Ruff, an iguana similar to Mrs. Frog, an Andean condor similar to Mr. Gloop, a peccary similar to Nurse Angelina, an Amazon turtle similar to Ms. Echidna, a Chilean flamingo similar to Mr. Emu, and a hare similar to Mrs. Rabbit. They're names are yet to be known.
Miss Egret: A Leafpatch resident similar to Miss Magpie.
Mr. Arnold Armadillo (nicknamed "Armo" by Coco and is friends): a Leafpatch resident similar to Wombo. He doesn't wear an old green shirt like Wombo though.
Mayor Macaw: The Mayor of Leafpatch similar to Mayor Pelican. He wears a black bow tie and a big black top hat.
Macko: A Leafpatch resident similar to Jacko but is a Toucan. Mayor Macaw mistook Tico for him and asked him to help out for the unveiling ceremony.
The Toucans: Toucans whom Tico originally lived with. Two of them are named Peppo and Raol. Raol is usually clumsy. They were caught in cages but freed by Tico. Peppo wears a pink hat and Raol wears a blue bandana.
The Environmentalists: Two English-American humans male and female who cured Penelope from the Purple Devil. They said where Yoyo came from. They may be similar to Ms. Pym with a pet canary similar to Cedric.
The Jugglers: A bear named Magid, a mongoose named Alsana and a rat named Sanjay. Tico became their director.
Mr. Rashid: A man who caught Yoyo and put him with the Jugglers. He steals peoples wallets.
The Tiger: A Bengal tiger who the mother of a tiger cub named Sondeya who was trapped under some wood. Flap freed Sondeya by digging her out.
Rulmi: an Indian Elephant who was in the town of Chanipaa. He took the Circus Bros. there. He warned Penelope about the Forbidden temple. At the end, as he and the snake charmer meet with the Circus Bros. he trumpets loudly with his trunk at the Bros and stomps after one of them.
The Temple Guardians: Monkeys who are Yoyo's family. They guard the Forbidden Temple.
Fifi: A cat who the Mistress bought while Penelope was gone.
Maurice: A brown French Poodle who helped Penelope for her necklace. He wears a white suit. He was mean to Penelope, Blinky, Nutsy, and Flap and everyone.
Phoebe: A lady who made Blinky a model. It got Blinky brainwashed about his feelings of the bush. Blinky then rescued Nutsy and Flap from the Bros. and regained his memory. She is equally as selfish as Basil.
The Police man: A man who arrested the Bros. for barging into the Studio.
The Plane Stewardess: A lady who was on the plane with Blinky, Nutsy and Flap back to Australia after the Eiffel Tower tore the balloon and their caravan smashed to the ground.
Sea (Never seen by Blinky, but they were just with the Bros.)
The Sailor: A man who was with the Bros. on a sailing boat until they got on a ship.
The Ship's Captain: A man who was on the ship with the Bros. until they got away by helicopter.
The Captain: Another captain of a different ship who gave Cyril a time limit to bring the animals to him. The Bros. got into trouble for breaking his helicopter.