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Richard Steven Horvitz (born July 29, 1966) is an American actor and comedian who is best known for his roles as Billy and his father Harold in Grim and Evil/The Grim Adventures of Billy and Mandy, Zim in Invader Zim, Daggett in The Angry Beavers, and Razputin in Psychonauts.

Animaniacs Roles

The Big Cartoonie Show

Trivia


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