Male, Engine Number 1. He is kind and blue. He likes BF and GF. His basis is the LB&SCR E2 class tank engine. He is a small tank engine. His wheel arrangement is 0-6-0.

Male with blue hair and a red cap worn backwards. Occupation: Engine Driver. 19 years old. He wears a driver's outfit with a brown hat and brown overalls. He's a bit of a hip-hop wannabe but kind-hearted. He is dating GF.

Female with red hair, half-human and half-demon. 19 years old. Occupation: Engine Driver. She wears a driver's outfit with a blue hat and a blue skirt. She is dating BF and likes to play pranks.

Male, Engine Number 4, and the largest of the engines. He is knowledgeable and confident. He is blue. His basis is the LNER A1 prototype. His wheel arrangement is 4-6-2. He is a large tender engine with a tender marked with the number 4. He is reluctant to carry BF and GF (I don't know why).

Male, Engine Number 3. He is green. He is usually kind, but he gets annoyed when he sees BF and GF. He is reluctant to carry BF and GF. (Supposedly because they asked for a rap battle, keeping him up all night so he couldn't sleep and was late for his schedule.) His basis is the LMS Stanier Class 5 steam engine. His wheel arrangement is 4-6-0. He is a large tender engine with a tender marked with the number 3.

Male, Engine Number 5. He is red. He is confident. He is usually kind, but he gets annoyed when BF and GF get into his cab. He is reluctant to carry BF and GF. (Because he derailed once during a run because of BF.) His basis is the L&YR Class 28 steam engine. His wheel arrangement is 2-6-0. He is a medium tender engine with a tender marked with the number 5.