Horton

Horton is an elephant in Horton Hears A Who.

Horton played Scuttle in The Little Mer-Twilight Sparkle, and The Little Mer-Twilight Sparkle 2: Return to the Sea
He is a seagull

Horton played Smitty in Cartoons, Inc.
He is a monster

Horton played Iago in Courageladdin, Courageladdin: The Return of Randall Boggs, and Courageladdin and the King of Thieves
He is a parrot