Jon St. John (born December 19, 1960) is an American voice actor. He is best known for his voice roles such as Duke Nukem in the Duke Nukem video game series and Big the Cat and E-123 Omega in the Sonic the Hedgehog video game franchise.
Career He started his career in voice work in 1975, when he was a radio DJ in North Carolina.
He has provided the voice for numerous video game characters, such as the voice for the drill instructor Dwight T. Barnes as well as various other Marines in Half-Life: Opposing Force. He has done the voices for Big the Cat in Sonic Adventure and Sonic Heroes, Trash Man, General Warthog and other characters in Twisted Metal 4, E-102 Gamma in Sonic Battle, the announcer in Sonic Advance 3, E-123 Omega in Sonic Heroes, Bolt Logan in Chrome and Chrome: SpecForce and Agent Michael Ford in Conduit 2.
St. John is best known for being the voice of Duke Nukem in the Duke Nukem video game series from 1996 onwards, starting with Duke Nukem 3D. During the audition, voice director Lani Minella, told him "I want you to think of Dirty Harry when he goes 'Do you feel lucky, do you punk?” After he performed the line verbatim, Broussard suggested St. John approach the voice as "a much bigger guy, much bigger than, say, Clint Eastwood,” Dirty Harry's actor. St. Jon lowered the pitch of his voice, and Broussard was impressed, hiring him to voice the character.
He dubs the voice of professor Simon and Archibald in Runaway 2: The Dream of the Turtle. He provided the narrator's voice in Forsaken. He voiced Jack Boyd in the video games This Is The Police and its sequel.
In 2019, he took on the role of the Postal Dude for Postal 4: No Regerts.
Filmography Video games + List of voice performances in video games Year Title Role(s) Notes Source1996Big Red RacingJack "Bad" Jackson, Georgio Macchio, Ivan Smirnoff, Derek Derek "Rabid Dog" Simpkins, Menu AnnouncerAvengers in Galactic StormCaptain America, Thunderstrike, Announcer, Korath, Black Knight, Supremor, ShatteraxStarwinderBarlow Lenz1997Duke Nukem 3DDuke NukemBalls of Steel1998Duke Nukem: Time to KillNFL XtremeFootball PlayersMajor League Baseball Featuring Ken Griffey Jr.Umpire Voice1999 Duke Nukem: Zero Hour Duke Nukem Evil Zone Sho Mikagami – Danzaiver Twisted Metal 4 Trash Man, Gen. Warthog, Ralph Jones, Rob Zombie, Orbital, Sweet Tooth's Spokes-Clown Blue StingerTim, additional voices Half-Life: Opposing ForceDrill Instructor Dwight T. Barnes, Drill Instructor Sharpe, MPs, HECU MarinesRevenantAdditional voicesTony Tough and the Night of Roasted MothsClown Sonic Adventure Big the Cat 2000Sonic ShuffleDuke Nukem: Land of the BabesDuke Nukem, Silverback, additional voices2001Clive Barker's UndyingAdditional VoicesHalf-Life: Blue ShiftDr. Rosenberg, Harold, HECU MarineHalf-Life: DecayDr. Rosenberg, HECU Marine NASCAR Racing 4Crew ChiefRunaway: A Road AdventureOtto2002 Duke Nukem: Manhattan Project Duke Nukem Duke Nukem Advance NASCAR Racing 2002 Season Crew Chief 2003NASCAR Racing 2003 SeasonChromeBolt LoganRogue OpsAdditional voicesSonic Adventure DX: Director's CutBig the CatArchive recordingsSpy FictionLysander, Scarface/Dimitri Vedernikov2004Sonic BattleChaos GammaSonic HeroesBig the Cat, E-123 OmegaSonic Advance 3Menu AnnouncerGanglandBlack Priest, Chief of Police, FBI, Gunman, Jew Boss, Vincenzo, Romano2005Call of Cthulhu: Dark Corners of the EarthCharles Gilman, Joe Sergeant, Sgt. Sam Carter, Chief Constable Andrew Martin, Cutter Urania Seaman, Capt. Stephen Hearst, FBI AgentCold WarPresident, SpetsnazHigh SeizeWallace Stevenson2006Runaway 2: The Dream of the TurtleArchibald, Otto, Professor Simon2007America's Army: True SoldiersSgt. Alan SmithJack KeaneAgent Montgomery, Butcher, EricTabula RasaVarious voices2008Drakensang: The Dark EyeYandrik, Nolddroken, Dwarves, Troll, Orc2009Mario & Sonic at the Olympic Winter GamesBig the CatDS version only; archive footage2010 Amnesia: The Dark Descent Victor, Basile Justine DLC Heroes of NewerthBad Ass Pack Announcer Star Trek OnlineChancellor J'mpok, Ambassador B'Vat, Commander Ethan Burgess2011Conduit 2Michael FordDuke Nukem ForeverDuke Nukem, Guy on ThroneRochardJohn Rochard2012Counter-Strike: Global OffensiveCommanderGuild Wars 2PVP Narrator, Knut WhitebearPainkiller: Hell & DamnationDaniel Garner2013Dota 2Enigma, Bloodseeker, Axe, Kunkka2016Mario & Sonic at the Rio 2016 Olympic GamesE-123 Omega3DS version only; archive footageThis Is the Police Jack Boyd This Is the Police 2 Rad Rodgers: World One Dusty BombshellProfessor Jadus Heskel 2017Bulletstorm: Full Clip EditionDuke Nukem Duke Nukem's Bulletstorm Tour DLC 2019 Ion FuryDr. Jadus Heskel 2022 Postal 4: No RegertsThe Postal Dude UnreleasedDudebro IIJohn Dudebro 2023 Ion Fury - AftershockDr. Jadus Heskel, General Rocco "The Rock" Rockford Ion Fury DLCTurbo OverkillS.A.M.M., Dad2025World of TanksDuke NukemBattle pass
Web + List of voice performances in web series Year Title Role(s) Notes Source2013 Aficionados Chris (YouTube) Roger Rabbit Voice
Theme parks + List of voice performances in theme parks Year Title Role(s) Notes Source2007 Dollywood Buzz the Vulture Mystery Mine ride
References
External links Official website Jon St. John at MobyGames