
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.
Born: July 29, 1966 · Van Nuys, California, USA
Filmography (67)

Hazbin Hotel: Live on Broadway
2025

Mighty Morphin Power Rangers: Once & Always
2023

Seal Team
2021

Jellystone!
2021

Helluva Boss
2020

Invader Zim: Enter the Florpus
2019

The Angry Birds Movie 2
2019

Little Big Awesome
2018

Skylanders Academy
2016

The Loud House
2016

Bunnicula
2016

New Looney Tunes
2015

Legends of Oz: Dorothy's Return
2014

Mixels
2014

I Know That Voice
2014

Saving Santa
2013

Teen Titans Go!
2013

Ben 10: Destroy All Aliens
2012

Crazy, Stupid, Love.
2011

Fish Hooks
2010

The Informant!
2009

Underfist: Halloween Bash
2008

The Grim Adventures of the Kids Next Door
2007

Ben 10: Secret of the Omnitrix
2007

Billy & Mandy: Wrath of the Spider Queen
2007

El Tigre: The Adventures of Manny Rivera
2007

Billy & Mandy's Big Boogey Adventure
2007

Squirrel Boy
2006

Ben 10
2005

Billy and Mandy Save Christmas
2005

Son of the Mask
2005

Cartoon Network Christmas: Yuletide Follies
2004

EuroTrip
2004

Dave the Barbarian
2004

That's So Raven
2003

Codename: Kids Next Door
2002

Snow Dogs
2002

Grim & Evil
2001

The Grim Adventures of Billy and Mandy
2001

Osmosis Jones
2001

Cats & Dogs
2001

Shrek
2001

Invader ZIM
2001

The Fairly OddParents
2001

As Told by Ginger
2000

Static Shock
2000

The Grim Adventures of Billy & Mandy: Meet the Reaper
2000

Storm
1999

Jingle Bells
1999

Sabrina Goes to Rome
1998

Mulan
1998

Working
1997

I Am Weasel
1997

Johnny Bravo
1997

The Angry Beavers
1997

Turbo: A Power Rangers Movie
1997

Sabrina, the Teenage Witch
1996

Power Rangers Zeo: Zeo Quest
1996

Mighty Morphin Power Rangers Live: The World Tour Live-on-Stage
1996

Mighty Morphin Power Rangers: The Movie
1995

Mighty Morphin Power Rangers: Alpha's Magical Christmas
1994

Babylon 5
1994

Power Rangers
1993

The Legend of Prince Valiant
1991

How I Got Into College
1989

The Munsters Today
1988

Summer School
1987
