Bud Luckey
William Everett "Bud" Luckey (July 28, 1934 – February 24, 2018) was an American artist, cartoonist, illustrator, musician, singer and voice actor. He worked at the animation studio Pixar, where he worked as a character designer on a number of films, including ''Toy Story'', ''Toy Story 2'', ''A Bug's Life'', ''Monsters, Inc.'', ''Finding Nemo'', ''Cars'' and ''Ratatouille''. Luckey was also the voice of Rick Dicker in ''The Incredibles'', Chuckles the Clown in ''Toy Story 3'' and as Eeyore in ''Winnie the Pooh'' (2011).In 2004, Luckey directed and wrote the Pixar short film ''Boundin''', for which he also composed music and performed as the solo singer and narrator. It won the Annie Award and was nominated for the Academy Award for Best Animated Short Film.
Luckey continued to work as a performer of character voices in both Disney and Pixar films until his retirement in 2014. Provided by Wikipedia