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Richard Steven Horvitz
7 TV shows · 1997–2024
Richard Steven Horvitz on TV
Ben 10
as Grey Matter
Cartoon Network · 2005 · Ended
Helluva Boss
as Moxxie
Prime Video · 2019 · Running
The Angry Beavers
as Daggett Doofus "Dag" Beaver
Nickelodeon · 1997 · Ended
Helluva Shorts
as Moxxie
YouTube · 2024 · Running
Skylanders Academy
as Kaos
Netflix · 2016 · Ended
The Grim Adventures of Billy & Mandy
as Billy
Cartoon Network · 2001 · Ended
Invader ZIM
as ZIM
Nickelodeon · 2001 · Ended
