Richard Steven Horvitz
Biography
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.
Personal Details
Also Known As
Movies (31)
Hazbin Hotel: Live on Broadway
as Self
2025
Mighty Morphin Power Rangers: Once & Always
as Alpha (voice)
2023
Seal Team
as Snap (voice)
2021
Captain Daddy
as Billy (voice)
2021
Green Seas
as Writer
2020
Invader Zim: Enter the Florpus
as Zim (voice)
2019
The Angry Birds Movie 2
as Additional Voices (voice)
2019
Meeting MacGuffin
as Gormal MacGuffin (voice)
2017
Legends of Oz: Dorothy's Return
as Munchkin Suitor (voice)
2014
I Know That Voice
as Self
2014
Saving Santa
as Orange Haired Elf (voice)
2013
Ben 10: Destroy All Aliens
as Grey Matter / Dispatcher (voice)
2012
Crazy, Stupid, Love.
as Lowe's Salesman #3
2011
Fred & Vinnie
as Book Store Autoraph Hound
2011
The Informant!
as Bob Zaiderman
2009
Underfist: Halloween Bash
as Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)
2008
Snack Break
as Grey Matter
2008
The Grim Adventures of the Kids Next Door
as Billy / Harold (voice)
2007
Hard Four
as Sheldon Goldstein
2007
Ben 10: Secret of the Omnitrix
as Grey Matter / Stinkfly Prisoner (voice)
2007
Billy & Mandy: Wrath of the Spider Queen
as Billy / Billy's Dad (voice)
2007
CN Invaded Part 5: Billy & Mandy Moon the Moon
as Billy / Billy's Dad (voice)
2007
Billy & Mandy's Big Boogey Adventure
as Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)
2007
Big Babies
as Waaa Baby
2006
Billy and Mandy Save Christmas
as Billy (voice) (as Richard Horvitz)
2005
Son of the Mask
as Otis (voice)
2005
Cartoon Network Christmas: Yuletide Follies
as Billy (Voice)
2004
Power Rangers Dino Thunder: Legacy of Power
as Alpha 5 (voice) (uncredited)
2004
EuroTrip
ADR Voice Casting (Production)
2004
Billy & Mandy's Jacked-Up Halloween
as Billy/Guy (voice)
2003
Snow Dogs
as Scooper (voice) (uncredited)
2002
TV Shows (19)
Sketchy Queens
as Various Characters
2022
Jellystone!
as Billy / Mogar / Rodney J. Squirrel (voice)
2021
Helluva Boss
as Moxxie (voice)
2020
Little Big Awesome
as Pacifier / Jerry / Bear (voice)
2018
The Comeback Kids
as Richie
2016
Skylanders Academy
as Kaos (voice)
2016
Bunnicula
as Lugosi (voice)
2016
New Looney Tunes
as Imp (voice)
2015
Mixels
as Mixadel
2014
Teen Titans Go!
as Billy (voice)
2013
The Bite-Sized Adventures of Sam Sandwich
as Fryborg / Big Cheese / Salty Pup (voice)
2012
Fish Hooks
as Ninja Fish (voice)
2010
El Tigre: The Adventures of Manny Rivera
2007
Shorty McShorts' Shorts
as Dudley / Guard (voice)
2006
Squirrel Boy
2006
Ben 10
as Grey Matter (voice)
2005
Dave the Barbarian
as Ned Frishman / Guard / Vicious Looking Warrior (voice)
2004
That's So Raven
as Teddy
2003
Codename: Kids Next Door
2002