He was released in Day of the Diesels.
He works at the Diesel Works.
He is Dart?s boss.
Den and Dart work for Diesel 10 and sometimes go to Misty Island. They almost burned down Thomas in Day of the Diesels.
Diesel 10 (Wooden)
He's biggest bully on the railway.
He's scheming against Steamies. One time in Thomas and the Magic Railway, he was chasing Thomas and Lady. The viaduct was collapsing. Thomas jumped the gap after Lady made it, and Diesel 10 fell into the gap. He couldn't hold onto the track with his claw and fell into a barge of sludge!
Mavis is a diesel.
She works at Fahrquar Quarry. She's good at keeping Troublesome Trucks in line. She bosses Bill and Ben.
He's a diesel. He works at the garbage dump.
He works with Whiff at the garbage dump. And, he's really stinky.
Span Can or D199 (Wooden)
He was never seen in the TV series.
He was only seen in the real series.