Wallace Shawn was the voice of Principal Mazur in A Goofy Movie, Rex in Toy Story, Labrador MC in All Dogs Go to Heaven 2, Principal Crosby Strickler in Teacher’s Pet, Gilbert Huph in The Incredibles, Principal Fetchit in Chicken Little, Billy in Air Buddies, Munk in Happily N’Ever After, Mr Gibbles in Scooby-Doo and the Goblin King, Calico in Cats & Dogs: The Revenge of Kitty Galore and Bertram in Family Guy.