Stephenson's Rocket is a very old and famous steam engine.
Rocket is a very famous engine who competed and won the Rainhill trials in 1829, he was one of the fastest engines at the time with an astonishing speed of 30 mph.
Sometime prior to 1954, Rocket visited Sodor.
When Thomas temporally became an exhibit at The Great Railway Show in York he encountered Rocket, and though Rocket did not speak Thomas's encounter with him was great never the less.
By 1968, Rocket came into the possession of Phil Aardman. Now known by the name Stephen after his builders George and Robert Stephenson, Rocket began working at Ulfstead Castle, giving tours around the estate railway.
- Season 3 : Inheritance Part 2 (does not speak)