Half-Life: Opposing Force (1999) - Drill Instructor Dwight T.

Half-Life: Decay (2001) - Additional Voices.

Guild Wars 2 (2012) - Knut Whitebear, PVP Narrator.

His current voice actor, Kyle Hebert, also voices Ryu from the Street Fighter series. John, is best known for his role as Duke Nukem. He was also the first character to appear in Sonic X.

Fur Fighters: Viggo's Revenge (2001) - Additional Voices Big was the first feline character to appear in the series, followed by Blaze the Cat.

Fur Fighters (2000) - Additional Voices.

Dungeon Lords (2005) - Ganspul Filto, Kaugris, Additional Voices.

Duke Nukem: Zero Hour (1999) - Duke Nukem.

Duke Nukem: Time to Kill (1998) - Duke Nukem.

Duke Nukem: Manhattan Project (2002) - Duke Nukem.

Duke Nukem: Land of the Babes (2000) - Duke Nukem, Silverback, Additional Voices.

Duke Nukem: Forever (2011) - Duke Nukem, Guy on Throne.

Duke Nukem: Critical Mass (2011) - Duke Nukem.

Duke Grabowski: Mighty Swashbuckler! (2016) - Additional Voices.

Die Hard Trilogy 2: Viva Las Vegas (2000) - Additional Voices.

DOTA 2 (2010) - Axe, Bloodseeker, Enigma, Kunkka.

Clive Barker's Undying (2001) - Additional Voices.

Call of Cthulhu: Dark Corners of the Earth (2005) - Captain Stephen Hearst, Charles Gilman, Chief Constable Andrew Martin, Cutter Urania Seaman, FBI Agent, Joe Sergeant, Sergeant Sam Carter.

Bulletstorm: Full Clip Edition (2017) - Duke Nukem.

Amnesia: The Dark Descent (2011) - Basile, Victor.

TOME: Terrain of Magical Expertise (2014-2015) - Execk.

NFL Rush Zone: Mystery Guardian (2013) - Main Title Announcer.

NFL Rush Zone: Season of the Guardians (2012-2013) - Main Title Announcer.

Duke nukem big the cat