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Richard Steven Horvitz
Richard Steven Horvitz
Vital statistics
Name Richard Steven Horvitz
Aliases Richard Wood
Series Role Grey Matter, Sublimino, Billy Alien
Further Info
Other Jobs The Grim Adventures of Billy & Mandy
See Also {{{see also}}}
Richard Steven Horvitz (sometimes credited as Richard S. Horvitz, Richard Horvitz, or alias Richard Wood) was born on July 29, 1966 in Los Angeles, California.

Richard Steven Horvitz is the voice actor of the Billy Alien, Grey Matter, and Sublimino. He plays the voice of Billy on The Grim Adventures of Billy & Mandy, whom the aforementioned character was based on.