Thomas

Thomas is a 100 year old e2 class tank engine with the number 1 on it's sides from the book and television series Thomas and Friends, He's always pretty cheeky sometimes, In the maze, You can sometimes see him in rooms, Don't collide with him though cus he will cover your screen with steam by blowing some with water, However you can use a train wrench to stun him for long amounts of seconds.

Mechanic
You don't see him around at first, But you can see him in one of the rooms, However don't go near him or he will blow out steam, Blocking your view for long amounts of seconds letting John have a easy chance to get you, After he finishes blowing out steam though he runs out into another room waiting for you there, Don't worry there is a chance to stop him for some minutes, You can find a item called Train Wrench to use on Thomas by breaking his pistons making him feel dizzy for a tiny while before he can go back to tricking you again, However watch out because if you use it on him around Zenkichi or Sockpuppet you will be in timeout, Thomas can go into another room if you don't come in the room he got in for some minutes, Sockpuppet can also put him in timeout for pulling tricks, Zenkichi can report him to Sockpuppet.