Den and Dart

Den and Dart were two Diesels who runs the Sodor Dieselworks.

Trivia

 * Den and Dart will both meet Winnie the Pooh and his friends in Pooh's Adventures of Thomas and Friends: Day of the Diesels - the Movie.
 * Den and Dart will both meet Twilight Sparkle and her friends in Pooh's Adventures of Thomas and Friends: CGI TV Series.
 * Den and Dart are also best friends with The Flim Flam Brothers.