William "Bud" Luckey (born July 28, 1934) is an American cartoonist, singer, musician, composer and voice actor. He is best known for his work at Pixar as a character designer for Toy Story, Boundin', Toy Story 2, A Bug's Life, Monsters, Inc., Finding Nemo, Cars, The Incredibles, Ratatouille and Toy Story 3. As a voice for animated characters Luckey is known as the voice of Rick Dicker in The Incredibles, Chuckles the Clown in Toy Story 3 and as the Winnie the Pooh character Eeyore.