Acting
Richard Steven Horvitz
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.
Acting
- 2022Sketchy QueensVarious Characters1 ep.
- 2021Jellystone!Billy / Mogar / Rodney J. Squirrel (voice)1 ep.
- 2020Helluva BossMoxxie / Crimson (voice)27 ep.
- 2018Little Big AwesomeStevey Murple (voice)2 ep.
- 2016The Comeback KidsRichie1 ep.
- 2016Skylanders AcademyKaos (voice)38 ep.
- 2016Camp CampXemüg (voice) (as Rico Bonet)1 ep.
- 2016The Loud HouseMorpheus (voice)1 ep.
- 2016BunniculaLugosi (voice)65 ep.
- 2015New Looney TunesImp (voice)1 ep.
- 2014MixelsScrud, Splasho2 ep.
- 2013Teen Titans Go!Billy (voice)1 ep.
- 2012The Bite-Sized Adventures of Sam SandwichFryborg / Big Cheese / Salty Pup (voice)10 ep.
- 2010Fish HooksNinja Fish (voice)3 ep.
- 2008Betsy's Kindergarten AdventuresScott / Newton / Dad (voice)26 ep.
- 2007El Tigre: The Adventures of Manny Rivera4 ep.
- 2006Shorty McShorts' ShortsDudley / Guard (voice)1 ep.
- 2006Squirrel Boy52 ep.
- 2005Ben 10Grey Matter (voice)52 ep.
- 2004Dave the BarbarianNed Frishman / Guard / Vicious Looking Warrior (voice)2 ep.
- 2003That's So RavenTeddy1 ep.
- 2002Codename: Kids Next Door1 ep.
- 2002MaktarRichard Horowitz1 ep.
- 2002Kim PossibleAviarius (voice)1 ep.
- 2001The Grim Adventures of Billy and MandyBilly76 ep.
- 2001Grim & Evil62 ep.
- 2001The Grim Adventures of Billy and MandyBilly (voice)161 ep.
- 2001Invader ZIMZim (voice)46 ep.
- 2001The Fairly OddParentsChuck (voice)1 ep.
- 2000As Told by GingerMitchey Mekelburg (voice)1 ep.
- 2000Static ShockJimmy Osgood (voice)1 ep.
- 1999The Chimp Channel13 ep.
- 1997WorkingElevator Passenger2 ep.
- 1997Cow and ChickenBeaver #2 / Owl #1 (voice)1 ep.
- 1997I Am WeaselBeaver #2 / Owl #1 (voice)1 ep.
- 1997Johnny Bravo1 ep.
- 1997The Angry BeaversDaggett (voice)123 ep.
- 1996Sabrina, the Teenage WitchDuck Head (voice)2 ep.
- 1994Babylon 5Mark1 ep.
- 1993Power RangersAlpha 5 (voice)210 ep.
- 1991The Legend of Prince Valiant1 ep.
- 1988The Munsters TodayHowie Buchanan2 ep.
Behind the camera
- 2001The Grim Adventures of Billy and MandyWriter161 ep.
Guest appearances
- 2025Teen Titans Go!Billy (voice)1 ep.
- 2025Jellystone!Billy / Mogar / Rodney J. Squirrel (voice)1 ep.
- 2025Sketchy QueensVarious Characters1 ep.
- 2020The Loud HouseMorpheus (voice)1 ep.
- 2019Camp CampXemüg (voice) (as Rico Bonet)1 ep.
- 2018Little Big AwesomePacifier / Jerry / Bear (voice), Stevey Murple (voice)2 ep.
- 2016MixelsMixadel, Scrud, Splasho2 ep.
- 2016BunniculaLugosi (voice)1 ep.
- 2016New Looney TunesImp (voice)1 ep.
- 2011Fish HooksNinja Fish (voice), Portswain (voice), Salmon 2 (voice)3 ep.
- 2007Camp Lazlo(voice) (uncredited)1 ep.
- 2007El Tigre: The Adventures of Manny Rivera4 ep.
- 2006Ben 10Grey Matter (voice)8 ep.
- 2007Codename: Kids Next Door1 ep.
- 2006Shorty McShorts' ShortsDudley / Guard (voice)1 ep.
- 2006That's So RavenTeddy1 ep.
- 2004Dave the BarbarianNed Frischman (voice), Ned Frishman / Guard / Vicious Looking Warrior (voice)2 ep.
- 2004The Fairly OddParentsChuck (voice)1 ep.
- 2004Kim PossibleAviarius (voice)1 ep.
- 1997Power RangersAlpha 5 (voice), Alpha 7 (voice), Mantamobile (voice)5 ep.
- 2002Static ShockJimmy Osgood (voice)1 ep.
- 2001As Told by GingerMitchey Mekelburg (voice)1 ep.
- 1997Sabrina, the Teenage WitchDuck Head (voice), Smaller Chair (voice)2 ep.
- 1997WorkingElevator Passenger2 ep.
- 1997Cow and ChickenBeaver #2 / Owl #1 (voice)1 ep.
- 1997I Am WeaselBeaver #2 / Owl #1 (voice)1 ep.
- 1997Johnny Bravo1 ep.
- 1997Babylon 5Mark1 ep.
- 1992The Legend of Prince Valiant1 ep.
- 1989The Munsters TodayHowie Buchanan2 ep.
Also known as: Richard Wood