• The Cleaner as Darnell McDowell
• The Marvelous Misadventures of Flapjack as Cammie, Additional voices
• Transformers: Animated (2007) as Omega Supreme
• Ben 10: Alien Force (2008) as Highbreed Commander,Forever Knights
• The Spectacular Spider-Man (2008) as Big Man/Tombstone
• The Legend of Spyro: The Eternal Night (2007) (voice) as Terrador, Gaul & Sniff
• Doctor Strange (2007) as Baron Mordo
• TMNT (2007) as General Aguila
• El Tigre: The Adventures of Manny Rivera - Calavera Monster
• The Knights of Prosperity (2007) as Rockefeller Butts
• Class of 3000: The Devil and Lil'D(2006) (voice) as Big D/The Devil
• Clerks II(2006) as Police Officer
• Casper's Scare School (voice) as Kibosh (Replacing James Earl Jones)
• Shorty McShorts' Shorts(2006) (voice) as Admiral Bozzlebags (of Bozzlebags' Zip)
• Kingdom Hearts II(2006) (VG) (voice) as Sebastian
• The Legend of Spyro: A New Beginning(2006) (VG) (voice) as Terrador, Conductor
• The Jimmy Timmy Power Hour 2: When Nerds Collide (2005) (voice) as Morgan Freeman
• The Boondocks(2006) (voice) as Martin Luther King, Jr., Additional Voices
• The Emperor's New School(2006) (voice) as Kavo
• Halo 2(2004) (voice) Tartarus
• Family Guy(2005) (voice) Doug the Pimple
• The Happy Elf(2005) (voice) Derek, Tucker, Mayor, Toady
• Loonatics Unleashed (2005) (voice) Slam Tasmanian/Tech E. Coyote
• Danger Rangers(2005) (voice) Burble
• Avatar: The Last Airbender(2005) (voice) Tyro, Lion Turtle
• Foster's Home for Imaginary Friends (2004) (voice) Uncle Pockets, Omnizot, Foul Larry
• Super Robot Monkey Team Hyperforce Go! (2004) (voice) Antauri
• The Batman (2004) (voice) Joker
• Megas XLR (2004) (voice) Glorft Commander Tiny
• Danny Phantom(2003) (voice) Dragon Ghost, Skulker
• Higglytown Heroes(2004) (voice) Uncle Lemmo
• Dave the Barbarian (2003) (voice) Uncle Oswidge/King Throktar
• Teen Titans(2003) (voice) Mammoth, See-More, Trigon
• Like Family(2003) Ed Ward
• Viewtiful Joe(VG) (2003) (voice) Hulk Davidson/Fire Leo
• Lilo & Stitch: The Series (2003) (voice) Gantu
• The Animatrix(2003) (voice) Thadeus / Agent #2 / Cop
• Xiaolin Showdown (2003) (voice) Pandabubba
• Star Wars: KOTOR(2003) (voice) Jolee Bindo
• Crunch Bandicoot in Crash Bandicoot: The Wrath of Cortex and Crash Nitro Kart (PS2, Xbox, GCN)
• The Mummy: The Animated Series(2003)(voice) The Minotaur
• Matrix Revolutions (2003) (voice) Deus Ex Machina
• What's New Scooby Doo?(2002) (voice) Bruce Wilkenson, Henry Hunsecker, Safari Member
• Codename: Kids Next Door(2002) (voice) Cheese Ninja, Cheese Shogun Roguefort, Dr. Lincoln, Ice Cream Beast, Ice Cream Men, Teen Ninjas
• Kingdom Hearts(2002) (VG) (voice) Sebastian
• Mucha Lucha!(2002) (voice) Potato Patata, Jr.
• The Powerpuff Girls Movie(2002) (voice) Ojo Tango/Rocko Socko
• Ratchet & Clank(2002) (voice) Ultimate Supreme Executive Chairman Drek, Bodyguard
• Lilo & Stitch(2002) (voice) Gantu
• Battle Force Andromeda(2002) (voice) Narrator
• Metal Gear Solid 2: Substance(2002) (VG) (Voice) Scott Dolph
• Max Steel(2002) (voice) Dog, Various Characters.
• Time Squad(2001) (voice) Announcer, George S. Patton, George Washington, George Washington Carver, Lance 9,000,000,000,000, Time Squad Officer, Todd Washington Carver
• The Grim Adventures Of Billy And Mandy(2001) (voice) Eldridge Johnson-Mayer
• The Fairly OddParents (2001) (voice) AJ's Dad and Various
• The Ripping Friends(2001) (voice) Ripping Friends Announcer
• The Proud Family(2001) (voice) Omar, Dr. Payne, Additional Voices
• Metal Gear Solid 2: Sons of Liberty (2001) (VG) (Voice) Scott Dolph
• Invader Zim(2001) (voice) Various characters
• House of Mouse(2001) (voice) Prince John, Crow
• Clerks: The Animated Series (2000) (voice) Various characters
• Cardcaptors (2000) (voice) Clow card announcer
• Static Shock(2000) (voice) Robert Hawkins/Kangor
• Big Guy and Rusty the Boy Robot(1999) (voice) Garth
• Family Guy(1999) (voice) Various characters
• The PJs(1999) (voice) Mr. Hudson/Rasta Man
• Voltron: The Third Dimension(1998) (voice) Hunk/Zarkon
• Pokémon(Snorlax)
• The New Batman Adventures(1997) (voice) Mutant Leader
• Road Rovers(1996) (voice) Exile the Siberian Husky
• Homeboys in Outer Space (1996) (voice) Vashti
• Spy Hard(1996) "Michael Winslow" security guard (uncredited)
• Adventures from The Book of Virtues (1996) (voice) Plato
• Mortal Kombat(1995) (voice) Goro
• The Mask: The Animated Series(1995) Mayor Mortimer Tilton (in the season two episode, Jurassic Mask, Richardson voiced a garbage collector who sounded like Mayor Tilton)
• The Powerpuff Girls(1998) (voice) The Boogie Man/Giant Fishballoon

Before he was hired to do voice work in The Animatrix (2003) (V) and The Matrix Revolutions (2003), he provided the voice of Morpheus in a "Matrix"-inspired spoof for the short-lived "Clerks" (2000).

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