Millie

Millie is Sir Robert Norramby's private steam engine.

Trivia

 * Millie will meet Winnie the Pooh and his friends in Pooh's Adventures of Thomas and Friends: King of the Railway.
 * Millie will meet Twilight Sparkle, Ash Ketchum and their friends in Twilight Sparkle's Adventures of Thomas and Friends: King of the Railway.