Cast & creator
Richard Steven Horvitz
Best known for Teen Titans Go!, The Fairly OddParents, New Looney Tunes
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.
Also known as: Richard Wood
56
film credits
50
television credits
103
1987–2025 · acting roles
7.1
average across scored titles
Signature credits
Known for
Across film & television
Filmography (106)
Showing 106 of 106 credits
Teen Titans Go!
Billy (voice)
2013
The Fairly OddParents
Chuck (voice)
2001
New Looney Tunes
Imp (voice)
2015
The Loud House
Morpheus (voice)
2016
Babylon 5
Mark
1994
Sabrina, the Teenage Witch
Smaller Chair (voice)
1996Sabrina, the Teenage Witch
Duck Head (voice)
1996
Kim Possible
Aviarius (voice)
2002
Jellystone!
Billy / Mogar / Rodney J. Squirrel (voice)
2021
Cow and Chicken
Beaver #2 / Owl #1 (voice)
1997
Johnny Bravo
1997
The Grim Adventures of Billy and Mandy
Billy (voice)
2001The Grim Adventures of Billy and Mandy
Writer
2001
That's So Raven
Teddy
2003
Power Rangers
Alpha 5 (voice)
1993Power Rangers
Alpha 7 (voice)
1993Power Rangers
Mantamobile (voice)
1993
Fish Hooks
Ninja Fish (voice)
2010Fish Hooks
Salmon 2 (voice)
2010Fish Hooks
Portswain (voice)
2010
Ben 10
Grey Matter (voice)
2005
Shrek
ADR & Dubbing
2001
Helluva Boss
Moxxie / Crimson (voice)
2020
Static Shock
Jimmy Osgood (voice)
2000
Bunnicula
Lugosi (voice)
2016
As Told by Ginger
Mitchey Mekelburg (voice)
2000
I Am Weasel
Beaver #2 / Owl #1 (voice)
1997
The Angry Beavers
Daggett (voice)
1997
Mulan
Additional Voices (voice)
1998
Crazy, Stupid, Love.
Lowe's Salesman #3
2011
The SpongeBob Movie: Sponge on the Run
Additional Voices (voice)
2020
Grim & Evil
2001
Working
Elevator Passenger
1997
Invader ZIM
Zim (voice)
2001
Dave the Barbarian
Ned Frishman / Guard / Vicious Looking Warrior (voice)
2004Dave the Barbarian
Ned Frischman (voice)
2004
El Tigre: The Adventures of Manny Rivera
2007
Skylanders Academy
Kaos (voice)
2016
The Angry Birds Movie 2
Additional Voices (voice)
2019
The Legend of Prince Valiant
1991
Jingle All the Way
Demon Team (voice)
1996
Squirrel Boy
2006
Son of the Mask
Otis (voice)
2005
Little Big Awesome
Pacifier / Jerry / Bear (voice)
2018Little Big Awesome
Stevey Murple (voice)
2018
Mixels
Mixadel
2014Mixels
Scrud, Splasho
2014
Camp Camp
Xemüg (voice) (as Rico Bonet)
2016
EuroTrip
ADR Voice Casting
2004
The Munsters Today
Howie Buchanan
1988
Cats & Dogs
Puppy in Barn (voice)
2001
Osmosis Jones
Additional Character Voices (voice)
2001
Snow Dogs
Scooper (voice) (uncredited)
2002
Saving Santa
Orange Haired Elf (voice)
2013
The Informant!
Bob Zaiderman
2009
Seal Team
Snap (voice)
2021
Mighty Morphin Power Rangers: The Movie
Alpha 5 (voice)
1995
Turbo: A Power Rangers Movie
Alpha 5 (voice)
1997
Shorty McShorts' Shorts
Dudley / Guard (voice)
2006
Legends of Oz: Dorothy's Return
Munchkin Suitor (voice)
2014
Ben 10: Secret of the Omnitrix
Grey Matter / Stinkfly Prisoner (voice)
2007
Summer School
Alan Eakian
1987
Sketchy Queens
Various Characters
2022
Ben 10: Destroy All Aliens
Grey Matter / Dispatcher (voice)
2012
The Chimp Channel
1999
Mighty Morphin Power Rangers: Once & Always
Alpha (voice)
2023
Billy & Mandy's Big Boogey Adventure
Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)
2007
I Know That Voice
Self
2014
Codename: Kids Next Door
2002
How I Got Into College
Young Energizer
1989
Invader Zim: Enter the Florpus
Zim (voice)
2019
Hazbin Hotel: Live on Broadway
Self
2025
The Bite-Sized Adventures of Sam Sandwich
Fryborg / Big Cheese / Salty Pup (voice)
2012
Betsy's Kindergarten Adventures
Scott / Newton / Dad (voice)
2008
Billy & Mandy: Wrath of the Spider Queen
Billy / Billy's Dad (voice)
2007
Sabrina Goes to Rome
Stonehenge (voice)
1998
Billy and Mandy Save Christmas
Billy (voice) (as Richard Horvitz)
2005
CN Invaded Part 5: Billy & Mandy Moon the Moon
Billy / Billy's Dad (voice)
2007
The Comeback Kids
Richie
2016
The Grim Adventures of the Kids Next Door
Billy / Harold (voice)
2007
Galgameth
Kinch
1997
Cartoon Network Christmas: Yuletide Follies
Billy (Voice)
2004
Power Rangers Green With Evil
Alpha 5
1993
Maktar
Richard Horowitz
2002
Mighty Morphin Power Rangers: Green With Evil
Alpha 5 (voice)
2014Captain Daddy
Billy (voice)
2021
Fred & Vinnie
Book Store Autoraph Hound
2011
Mighty Morphin Power Rangers Live: The World Tour Live-on-Stage
Alpha 5 (voice)
1996
Ben 10 Merry Christmas
Grey Matter
2006
Power Rangers Dino Thunder: Legacy of Power
Alpha 5 (voice) (uncredited)
2004
Underfist: Halloween Bash
Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)
2008
Power Rangers Zeo: Zeo Quest
Alpha 5 (voice)
1996
Billy & Mandy's Jacked-Up Halloween
Billy/Guy (voice)
2003
The Grim Adventures of Billy & Mandy: Meet the Reaper
Billy (voice)
2000
Mighty Morphin Power Rangers: Alpha's Magical Christmas
Alpha 5 (voice)
1994
Angry Beavers in: "Snowbound"
Daggett Beaver
1994
Jingle Bells
Cheddar (voice)
1999
Storm
Danny
1999Mighty Morphin Power Rangers: Ninja Quest
Alpha 5 (voice)
1996
Get Street Smart: A Kid's Guide to Stranger Dangers
Capricorn (as Richard Stults)
1995Sherman's Way: A Kid's Guide to Coping with Change
Corny
1996
Hard Four
Sheldon Goldstein
2007
Snack Break
Grey Matter
2008
Big Babies
Waaa Baby
2006
Meeting MacGuffin
Gormal MacGuffin (voice)
2017
Green Seas
Writer
2020