Geronimo Stilton is the main protagonist in both the book and TV series with the same name.
He plays The Lorax in The Mouse (The Lorax)[]
Formerly, he was supposed to play Willory in Threefold: The Heroes Who Don't Do Anything (Phase Awesomeness)[]
He is an asparagus.
After Balto played a similar role in Balto: A FunnyTales Movie, it was decided that Balto better fit the role.