Bill & Ben
Gender: Male
Color: Yellow
Occupation: Quarry engines
First Appearance: Main Line Engines
Performer: Jonathan Broadbent (UK/US; both Bill and Ben)

Bill and Ben are tank engine twins, who work at the Sodor China Clay Company.


Ben and Bill are identical twins in every way. Bill wears a huge devious grin most of the day. Ben enjoys being mischievous and teasing the other engines.