Richard Steven Horvitz[a] (born July 29, 1966)[1] is an American voice actor and comedian, best known for his 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 Aquato 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.

he went on to make appearances on television series such as Kids Incorporated and Safe at Home, and films such as Summer School, How I Got into College, and Deadly Weapon.

He also co-wrote the Grim Adventures of Billy and Mandy episode "Keeper of the Reaper" alongside his wife Kristen Lazarian.

He has also voiced various NPCs in EverQuest II, the Berserker Darklings in The Darkness, Bumble in Kinectimals, and Kaos in Skylanders: Spyro's Adventure.

[8] Horvitz voiced "Green Grapes" in the Fruit of the Loom commercials and has acted on stage, including in Jeffrey Hatcher's Mrs.