Richard Steven Horvitz (born July 29, 1966) is an American actor and voice actor. In the world of animation, he has voiced neurotic and mentally unstable characters. He is known for his work voicing the original Alpha 5 on Mighty Morphin Power Rangers, Power Rangers Zeo and Power Rangers Turbo, Raz in Psychonauts, Kaos in Skylanders, Billy in The Grim Adventures of Billy & Mandy, Grey Matter in Ben 10, Daggett in The Angry Beavers, the titular character in Invader Zim, Orthopox in Destroy All Humans, the Zoni in Ratchet & Clank, Bumble in Kinectimals and the Space Weaver in Broken Age.
Horvitz was born, grew up, resides and currently works in Los Angeles. His stage and film credits are numerous.
He has worked on the Cartoon Network series The Grim Adventures of Billy and Mandy and Grim & Evil, playing Billy and Harold, and got the role of Rodney J. Squirrel in another canceled series, Squirrel Boy. Richard was also the voice of Grey Matter from Ben 10. He is now the voice of several characters in the Skylanders games and was the voice of Alpha 5 in Mighty Morphin Power Rangers, Zeo and Turbo. Several years later, in 2002, he was called back by Saban to voice Alpha 7 in the 10th-anniversary episode Forever Red; however, he was only given one line at the time due to time constraints with the episode's filming.
He is happily married to playwright/screenwriter Kristen Lazarian, and they have three sons: Jake, Cole, and Wyatt. Along with his wife, Richard wrote Keeper of the Reaper, an episode of The Grim Adventures of Billy and Mandy. He also is the voice of Alpha 4, Alpha 5, and Alpha 7 on Power Rangers.
- Totally Spies! (2001-2013) - Theodore (ep. 23)
- Duel Masters (2002-2006) - Fritz
- Zatch Bell! (2003-2006) - Kanchome (1st voice; eps. 11-48)
- Dragon Ball Super (2015-2018) - Dr. Rota (ep. 106)
- Pom Poko (1994) - Additional Voices
- Howl's Moving Castle (2004) - Additional Voices
- From Up on Poppy Hill (2011) - Yamazaki
- The Wind Rises (2013) - Additional Voices