Bill and Ben

Bill and Ben are tank engine twins who work for the Sodor China Clay Company, though they can commonly be found at Brendam Docks. They formerly worked at Anopha Quarry. They enjoy playing tricks and being cheeky to other engines.

Apperances
Season 1 - Friendly Customer Service, Future Tron, Magnetic Martin and Chris, App-y Halloween, Big Bird, CEO in Trouble, The Twins' Ghost Pirate Hunting, Friends Forever, Germinator 2: Zombies, Museum Madness, Embarrassing Memories, A Secret Worth Keeping: Part One, A Secret Worth Keeping: Part Two, and A Secret Worth Keeping: Part Three