David is a helpful 0-8-0 tender engine who wants to prove himself useful. Murdoch thinks he's a bug at times, but David has struck a close friendship with Henry and Molly, and seems to idolize Hank as his hero. He is based on LMS Super D. He is painted black. His friends are Henry, Molly and Edward. His enemy was Murdoch. He works on Edward's branchline.