Richard Horvitz

Richard Steven Horvitz (born July 29, 1966) is an American actor and voice actor best known for doing the voice for Billy in The Grim Adventures of Billy and Mandy. He voiced for Ned Frischman in Dave the Barbarian, Aviarius in Kim Possible, a Ninja in Fish Hooks, Scooper in Snow Dogs, and additional voices in Howl's Moving Caslte, and Mulan. He also played Teddy in That's So Raven.