Cheddar

Cheddar is the main protagonist from An American Tail.

Cheddar plays Goofy in A Cheddar Movie
He is a dog

Cheddar plays Goofy in Fievel's Twice Upon A Christmas
He is a dog

Portrayals

 * In The Great Scuttlebutt Detective he is played by Basil of Baker Street
 * In Cheddar Goes West he is played by Fievel Mousekewitz

Trivia

 * He is voiced by John Kassir.