Tayo the Little Bus

The series features seven main characters. Each of the four original characters (Tayo, Gani, Lani & Rogi) are based on the four actual colors and types of Seoul Buses.

• Tayo (Bus 120, blue) is friendly, playful, and sometimes mischievous. He is the 3rd largest and 3rd oldest of the four buses. In the fourth-season episode, Who Is The Real Tayo?, it is revealed that he has a clone of his named Star Tayo, which was in one of his dreams. Tayo also appears as a minor character in the Titipo Titipo series in which he appears in the episodes: Going to Choo-Choo Town, Genie Makes a New Friend and Titipo and Tayo.

Voiced by

• Jul Kohler (A Day in the Life of Tayo (2010) - Tayo's Christmas (2014), Thanks Gani (2018) - The Little Dinosaur Friend: Part 2 (2019)
• Robyn Slade (A Day in the Life of Tayo (2010) - Hana's Special Day (2014)
• Carol Tyler (Nice to Meet You Peanut (2016) - The Little Buses' Play (2016)

• Rogi (Bus 1000, green) he is conceited, outgoing, and also mischievous, but he is good-hearted. although the two often get into fights with each other. Funny and mischievous himself, Toto also has an interest in detective work, as can be seen in episodes like Rogi the Detective! and Prank Call Madness.

Voiced by

• Aramis Merlin (A Day in the Life of Tayo (2010) - Tayo's Christmas (2014)
• Nolan Balzer (A Day in the Life of Tayo (2010) - Hana's Special Day (2014)
• Aidan Williams (The New Friend, Heart (2014) - The Little Dinosaur Friend: Part 2 (2019)

• Lani (Bus 02, yellow) She is cute, cheerful, kind, sweet-natured however, she is timid, sensitive, and temperamental. Possessing little tolerance for arguments, she often acts as a mediator between Tayo and Toto. She is the smallest and youngest of the four buses and is often considered the cute one of the group.

Voiced by

• Kami Desilets (A Day in the Life of Tayo (2010) - Hana's Special Day (2014)
• Eva Davis (Season 3-4)
• Alexis Song (Rogi's Extraordinary Challenge (2018) - The Little Dinosaur Friend Part 2 (2019)

• Gani (Bus 1339, red), who is hardworking, warm-hearted, and shy. while slightly timid and insecure, He is the largest and oldest of the four buses and often acts as the most mature one of the group.

Voiced by

• Tea Wagner (Our New Friend, Gani (2010) - Tayo's Christmas (2014)
• Kerri Salki (Let's Be Friends (2010) - Hana's Special Day (2014), Thanks Gani (2018) - The Little Dinosaur Friend Part 2 (2019)
• Ginger Hendricks (Season 3-4)

• Peanut (Bus 03, white and turquoise) is an eco friendly city and tour bus who is good-natured and mellow. As he is shaped just like a peanut on the top, he gains this name. He can cause mischief sometimes but is a very kind bus. He was introduced in Season 4 along with the city tram Trammy.
• Trammy (Tram 270, purple) is a city tram that was introduced in Season 4 along with Peanut.
• Sky is the control centre and garage of Trammy, he is located on the mountain top near the reservoir and is accessible by the mountain tram and bus stop.

• Hana is a kind mechanic, who takes care of the little buses and works in the bus depot repair shop.
• Cito (1339100012001 bus) a red double-decker tour bus, serves as a father-figure for Tayo, Toto, Roro, Rayo, Peanut and Trammy. He often chastises Tayo and Rogi for driving too rough in the garage. However, in the second-season episode, Cito's Secret, it is revealed that he had a boisterous past himself. An old mentor of his, Booba, appeared in this episode.
• Heart is Hana's kind pink helper car. In the past, brown is her color in the third-season episode, The New Friend, Heart. Speed has a bit of a crush on her.

• Nuri is a calm and professional female taxi who first met Tayo in the first-season episode, A Day in the Life of Tayo. She is very nice to Tayo and his friends, often visiting them at the bus depot.
• Rookie is a police officer who sometimes goofs up with his job because he is new to it.
• Pat is an experienced police car who is always serious when working. Rookie is Pat's police officer.
• Speed (whose original name was Speedy) is a red car who likes to go really fast. Speed has a bit of a crush on Heart, but she is oblivious of it.
• Shine is an overproud and vain yellow car who likes to show off, repeatedly leading to his own embarrassment. Shine is Speed's best friend. [6]

• Toto is a yellow tow truck who is really responsible with his job. Toto also made a one-off appearance in the Titipo Titipo series episode Titipo and Tayo.
• Air is a red helicopter who is part of the rescue team.
• Bong Bong is a very chipper light blue baby minibus, modelled on the classic VW minibus. First appearance in Tayo and Bong Bong.
• Oli is a very chipper light green baby car. First appearance in the second-season episode, Tayo and Bongbong and named for the first time in the fourth-season episode, Who is cooler?.
• Carry is a vehicle transporter akin to a mother or baby-sitter for Bongbong, Oli, and two other baby vehicles.
• Champ is a turquoise countryside Land Rover, who got praised and follows Cooku's invitation.
• Cooku (whose name was originally Coco) is a white and blue countryside bus.
• Toni is a little truck who obeys traffic laws and likes to teach other cars about traffic laws. In the first-season episode, I Want New Tires, he was so busy teaching other cars about traffic laws that he got late delivering Tayo's new tires to the garage.
• Alice is an ambulance who works in a hospital who likes to work with Frank when there is a fire. She is responsible for taking ill people to the hospital right on time.
• Frank is a fire truck who works with Alice when there is a fire. He is very serious about his job and is responsible for fighting fires and saving people in danger.
• Big is a big container truck who delivers goods to the airport to be sent overseas.
• Billy is a bulldozer who works at the construction site with Poco, Chris, and Max. He is good at juggling.
• Poco is an excavator who works at the construction site with Billy, Chris, and Max. He can rotate himself and spin his chassis around and around.
• Chris is a cement truck who works at the construction site with Billy, Poco, and Max. He mixes up cement for new foundations.
• Max is a dump truck who works at the construction site with Billy, Poco, and Chris. He can dump a huge pile of sand for a job.
• Met is a subway train who knows about everything - even in the first-season episode, Rogi's Hiccups, he showed this by helping Rogi to stop hiccupping. If anyone feels down, Met will know what to do.
• Nana is a bus living on the countryside with Ractor, Cooku, and Champ. She idolises Tayo. She first appeared in the second-season episode, Nana Visits the City.
• Wondie is an old blue-and-beige bus who was scrapped a year before the first season.
• Ractor (whose name was originally Larry) is a red tractor who lives in the countryside with Cooku, Champ, and Nana.
• Rubby is a cleaning truck who likes to clean up garbage. He first appears in the second-season episode, A New Playground!.
• Iracha is a pick-up truck. He's been making mistakes, now he knows that he is more careful, and runs on time, like Jay showed him how.
• Bubba is an old bus. He used to keep scolding Citu for constant mischief, when he was a young bus.
• Ms. Teach is a car with a white-and-purple livery. She always teaches the other vehicles in school.
• Princess Rayvelin is a princess from another planet on a spaceship who helps Tayo defeat Bully the space pirate.
• Kinder is a Kindergarten school bus who takes kids on field trips.
• Duri is a cheery boy who lives where Jerry used to live. He is one of Tayo's best friends.
• Jay is a rescuer is now a member of the team of the emergency center.
• Joy (whose name was originally Joey) is a magician.
• Andy is an artist who formally started off as a graffiti artists but has changed his ways.
• Asura is a mischievous wizard who pulled magic pranks on the buses but has learned to make friends.
• Star Tayo is actually a fake Tayo who looks almost identical to the real Tayo.
• Jimmy is a guitarist musician who plays his guitar on the street in front of people.
• Jenny is a singer who she teams up with Jimmy.
• Hana's Aunt is the Aunt that Tayo meets in Hollywood California.
• Hans is a blind musician with a seeing dog who plays the cello at a concert.
• Princess is a cat owned by the little girl.
• Blackie is a black stray dog who was found by Tayo and later gets owned by Duri.
• Miley is a famous superstar actress in American at Hollywood California.
• Black is a black car agent who protects Miley.
• Titi is a mother cat who protects her baby kittens.
• Chirp Chirp is a mother bird who builds her nest and lays 3 eggs and protects it.
• Lolly is a friendly tour bus, but unlike other little buses, she's the only little bus, who doesn't have a number, and lives in a different city.
• Moo Moo is the cow who blocks the road and gets in Tayo's way.
• Bird Expert is a man who's an expert on studying birds and relocating their nest.
• Santa Claus a jolly man who rides the flying sleigh with Rudolph the Reindeer. He drops the presents and asks Tayo to find them.
• Rudolph a reindeer that can magically fly and pulls the sleigh, he is Santa Claus pet.
• Villain the leader of the Researchers on a hunt to capture Tino.
• Villain's Secret Agents are secret agents who are looking for the alien T-rex baby dinosaur Tino to take it away for research.
• Professor is the boss of Villain.
• Tino is a young dinosaur. He is based on Tyrannosaurus who has telekinetic powers to lift objects off the ground.
• Tori a toy car with mouse or bear ears, he is from the film The Tayo Movie Mission: Ace.
• Blo a toy army truck with is Tori's friend, he is from the film The Tayo Movie Mission: Ace
• Anne Hana's mother who's a paleontologist and is hunting for dinosaurs.

The series features four main characters.

 ' ' Fireball is the hero in the city.
  ' ' Firebird is also a hero in city, he is also known as fireball's car.

• Titipo is a little passenger diesel locomotive who is best friends with Genie and Diesel, he may often make mistakes, but he still wants to become the best passenger train in the world. He is colored red and white with a light sky blue lining. He is modelled on an EMD FT36HCW-2. He also appeared in Tayo the Little Bus in the episode Tayo and Titipo's Race.
• Teo is a kind mechanic who takes care of little trains and works in the train yard repair shop.
• Mr. Herb is a boss of the railroad yard. In Episode 21, it is revealed that he made a lot of mistakes when he was younger. He appeared in Titipo's sister series Tayo the Little Bus alongside Steam and Diesel in the episode Booba's Vacation.
• Genie is a pink and white female passenger electric train who loves puppies, flowers, and all things pink. She is modeled on a Thalys PBKA. She also appeared in the episode: "Rogi and the Lucky Genie" in Titipo's sister series Tayo the Little Bus.
• Diesel is a green freight diesel locomotive who modeled on a EMD F45. He is known for showing off and telling fictional stories and as a result, often gets into trouble with Mr. Herb. He also appeared in Tayo the Little Bus alongside Mr. Herb and Steam in the episode Booba's Vacation. He then met Tayo for the first time in the episode Titipo and Tayo.
• Xingxing is a shy bullet train modeled on the SRT Class 130000 Train(There is also a theory that she is modeled on a KTX sancheon Class 140000). Due to being a high-speed train, she doesn't have time to stop and talk to her friends during her shift.
• Eric is a blue-colored, older electric locomotive who takes his job very seriously and as a result, has a hard time having fun with the other trains. He is modeled on a JNR EF80.
• Loco is a friendly little yellow freight diesel locomotive who modeled on a China Railways DFH3 diesel locomotive(There is also a wrong theory among some fans that he is modeled on the Russian Railways VL80). He enjoys making new friends, and looks up to Diesel and wants to be as good as him someday. He is also scared of the dark.
• Fix and Lift are two breakdown vehicles who love to sing and have a very hip personality, but are always ready in case of emergency. Fix is a rail-mounted crane locomotive, while Lift is a road-rail forklift.
• Tony is a large freight diesel locomotive who met Titipo at the Train Production Plant and brought him back there from the harbor.He is modeled on a China Railways ND5.
• Craney is a red chatterbox crane who works at the harbor. He is known for lifting containers really fast.
• Boom-Boom is a mischievous passenger train whom Titipo had to take over due to him derailing on a curve from over-speeding. He is modelled on a Korail RDC.
• Manny and Berny are two twin freight diesel locomotives who look very similar but have very different personalities. They are modeled on a GE Dash 9-40CW. Manny is strong and tough, while Berny is shy and timid.
• Setter is a bluish-green diesel shunter who is very organized with his job. He is modelled on Korail Class 4400. However, unlike his basis, Setter has two four-wheel trucks instead of a single six-wheel truck.
• Steam is an old steam engine who Titipo saved from scrap. He is very old and loves to tell stories to the younger trains. He is based on an American 4-4-0. Appeared in Titipo's sister series Tayo the Little Bus alongside Mr Herb and Diesel in the episode Booba's Vacation.
• Danny is a blue track inspection diesel who tries to calm Loco down during his night shift. He is modeled on a China Railways BJ.
• Jenny is a female freight diesel locomotive modelled on an EMD FT, who will make her first appearance in the second season of Titipo Titipo.
• The Ghost Train is envisioned in Loco's imagination when the foggy weather obscured his view. He believed that Danny was abducted by him and brought to a town full of ghost trains. He has the model of a freight train like Tony.