|Rosie the Small Engine|
|Color: Red (formerly pink)|
| Occupation: Shunting engine|
|First Appearance: Thomas and the Birthday Mail|
|Voiced by: Bonnie Wright|
Rosie is a cherry red (formerly lavender) tank engine.
Rosie is an energetic, fun and free spirited tank engine! She works as a shunting and mixed traffic engine and loves to race just as much as she loves to be Really Useful.