Acting
Richard Steven Horvitz (born July 29, 1966) is an American actor and comedian, best known for his voice work in animation and video games. His voice credits include the original Alpha 5 on Mighty Morphin Power Rangers, Power Rangers Zeo and Power Rangers Turbo, Razputin in Psychonauts, Kaos in Skylanders, Billy and his father Harold in Grim & Evil and The Grim Adventures of Billy & Mandy, Grey Matter in Ben 10, Rodney in Squirrel Boy, Daggett in The Angry Beavers, Zim in Invader Zim, Orthopox in Destroy All Humans!, the Zoni in Ratchet & Clank, Bumble in Kinectimals, the Space Weaver in Broken Age, Kanchomé in Zatch Bell!, and Moxxie in Helluva Boss.
Alpha (voice)
... 2023
Snap (voice)
... 2021
Additional Voice (voice)
... 2019
Zim (voice)
... 2019
Gormal MacGuffin (voice)
... 2017
Himself
... 2014
Orange Haired Elf (voice)
... 2013
Grey Matter
... 2012
Book Store Autoraph Hound
... 2011
Bob Zaiderman
... 2009
Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)
... 2008
Grey Matter
... 2008
Billy/Harold
... 2007
Sheldon Goldstein
... 2007
Grey Matter / Stinkfly Prisoner
... 2007
Billy / Billy's Dad (voice)
... 2007
Billy / Billy's Dad (voice)
... 2007
Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)
... 2007
Billy (voice) (as Richard Horvitz)
... 2005
Otis (voice)
... 2005
Billy (Voice)
... 2004
Billy/Guy (voice)
... 2003
Scooper (voice) (uncredited)
... 2002
Puppy in Barn (voice)
... 2001
Additional Voices (voice) (uncredited)
... 2001
Billy (voice)
... 2000
Cheddar (voice)
... 1999
Stonehenge (voice)
... 1998
Additional Voices (voice)
... 1998
Additional Voices (voice) (uncredited)
... 1997
... 1996
Alpha 5 (voice)
... 1995
Capricorn (as Richard Stults)
... 1995
... 1994
Daggett Beaver
... 1994
Young Energizer
... 1989
Alan Eakian
... 1987