Richard Steven Horvitz
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.
Known for
2025Hazbin Hotel: Live on Broadway
Self
2023Mighty Morphin Power Rangers: Once & Always
Alpha (voice)
2021Seal Team
Snap (voice)
2020Green Seas
Writer
2019Invader Zim: Enter the Florpus
Zim (voice)
2019The Angry Birds Movie 2
Additional Voices (voice)
2017Meeting MacGuffin
Gormal MacGuffin (voice)
2014Legends of Oz: Dorothy's Return
Munchkin Suitor (voice)
2014I Know That Voice
Self
2014Mighty Morphin Power Rangers: Green With Evil
Alpha 5 (voice)
2013Saving Santa
Orange Haired Elf (voice)
2012Ben 10: Destroy All Aliens
Grey Matter / Dispatcher (voice)
2011Fred & Vinnie
Book Store Autoraph Hound
2011Crazy, Stupid, Love.
Lowe's Salesman #3
2009The Informant!
Bob Zaiderman
2008Snack Break
Grey Matter
2008Underfist: Halloween Bash
Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)
2007Hard Four
Sheldon Goldstein
2007Billy & Mandy's Big Boogey Adventure
Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)
2007CN Invaded Part 5: Billy & Mandy Moon the Moon
Billy / Billy's Dad (voice)
2007Billy & Mandy: Wrath of the Spider Queen
Billy / Billy's Dad (voice)
2007The Grim Adventures of the Kids Next Door
Billy / Harold (voice)
2007Ben 10: Secret of the Omnitrix
Grey Matter / Stinkfly Prisoner (voice)
2006Big Babies
Waaa Baby