Person
John Wisniski Jr.
Acting · Born 1951-09-20 · Seattle, Washington, USA
Biography
John Wisniski, Jr. is an American professional wrestler, better known as Greg "The Hammer" Valentine. He is the son of wrestler Johnny Valentine. In the course of his career, which has spanned over four decades, Valentine has held more than 40 championships, including the NWA United States Heavyweight Championship and the WWE Intercontinental Championship. An alumnus of WWE and World Championship Wrestling, he was inducted to the WWE Hall of Fame in 2004.
Known for
All Elite Wrestling: Dynamite
Greg Valentine
Raw
Greg "The Hammer" Valentine
WWF All-Star Wrestling
Greg Valentine
WWF Superstars
Greg "The Hammer" Valentine
WWF Wrestling Challenge
Greg Valentine
Mid-Atlantic Championship Wrestling
Greg Valentine
WWE Saturday Night's Main Event
Greg Valentine
WWE Old School
Greg Valentine
Clash of the Champions
Greg "The Hammer" Valentine
Tuesday Night Titans
Greg "The Hammer" Valentine
Filmography
- 2025Midnight MassacreCaepio
- 2021Biography: WWE LegendsGreg "The Hammer" Valentine
- 2021WWE's Most Wanted TreasuresGreg "The Hammer" Valentine
- 2020Chris Jericho's 30th Anniversary CelebrationGreg "The Hammer" Valentine
- 2020Undertaker: The Last RideGreg Valentine (archive footage)
- 2019All Elite Wrestling: DynamiteGreg Valentine
- 2019350 DaysSelf
- 2019HeadstrongSelf
- 2016WWE: The U.S. Championship: A Legacy of GreatnessGreg 'The Hammer' Valentine (archive footage)
- 2015Behind the Ropes: The Greatest Fraternity in the WorldHimself
- 2015At What Cost? Anatomy of Professional WrestlingHimself
- 2014WWE: 150 Best Pay-Per-View Matches, Vol 1Himself
- 2012WWE: Starrcade - The Essential CollectionHimself
- 2011JCW Legends and Icons
- 2011Timeline The History of WWE – 1985 – As Told By Greg ValentineHimself
- 2008WWE: The History Of The Intercontinental ChampionshipHimself
- 2006WWE: The History Of The WWE Championship
- 2005The Greatest Wrestling Stars of the '80sSelf
- 2005World Wrestling Legends: 6:05 - The ReunionGreg Valentine
- 2004WWE Hall of Fame 2004Self
- 1999Heroes of WrestlingGreg "The Hammer" Valentine
- 1997WCW World War 3 1997Greg "The Hammer" Valentine
- 1995AWF Warriors of WrestlingGreg "The Hammer" Valentine
- 1994WWE Royal Rumble 1994Greg "The Hammer" Valentine
- 1993WWE Survivor Series 1993The Blue Knight
- 1993RawGreg "The Hammer" Valentine
- 1992The Immortal Hulk HoganGreg Valentine
- 1992WCW Clash of The Champions XX: 20th AnniversaryGreg "The Hammer" Valentine
- 1992WCW Beach BlastGreg "The Hammer" Valentine
- 1992WCW WrestleWar 1992Greg "The Hammer" Valentine
- 1992WWE SuperTape: Volume 5Greg "The Hammer" Valentine
- 1992WWE Royal Rumble 1992Greg "The Hammer" Valentine
- 1991WWE Rampage '91Greg "The Hammer" Valentine
- 1991WWE SummerSlam 1991Greg "The Hammer" Valentine
- 1991WWE WrestleFest '91Greg "The Hammer" Valentine
- 1991WWE U.K. Rampage 1991Greg "The Hammer" Valentine
- 1991WWE Mega MatchesGreg "The Hammer" Valentine
- 1991WWE WrestleMania VIIGreg "The Hammer" Valentine
- 1991WWE Superstars & Stripes Forever: The March to WrestleMania VIIGreg "The Hammer" Valentine
- 1991WWE Funniest MomentsGreg "The Hammer" Valentine
- 1991WWE Royal Rumble 1991Greg "The Hammer" Valentine
- 1990WWE Survivor Series 1990Greg "The Hammer" Valentine
- 1990WWE Hottest MatchesGreg "The Hammer" Valentine
- 1990Battle of the WWE SuperstarsGreg Valentine
- 1990WWE SuperTape: Volume 2Greg "The Hammer" Valentine
- 1990WWF/AJPW/NJPW Wrestling Summit
- 1990WWE The Ultimate Challenge Special: The March to WrestleMania VIGreg "The Hammer" Valentine
- 1990Wrestling SuperheroesGreg "The Hammer" Valentine
- 1990WWE Royal Rumble 1990Greg "The Hammer" Valentine
- 1989WWE Survivor Series 1989Greg "The Hammer" Valentine
- 1989WWE SummerSlam 1989Greg Valentine
- 1989Demolition: Witness the PowerGreg "The Hammer" Valentine
- 1989Fan FavoritesGreg Valentine
- 1989The Best of the WWF: volume 20Greg "The Hammer" Valentine
- 1989The Ultimate WarriorGreg "The Hammer" Valentine
- 1989WWE Wrestling at The Meadowlands: May '89Greg "The Hammer" Valentine
- 1989WWE Maple Leaf Wrestling: April '89Greg "The Hammer" Valentine
- 1989WWE WrestleMania VGreg "The Hammer" Valentine
- 1989WWE Los Angeles Wrestling: January '89Greg "The Hammer" Valentine
- 1989WWE Royal Rumble 1989Greg "The Hammer" Valentine
- 1988WWE Los Angeles Wrestling: December '88Greg "The Hammer" Valentine
- 1988WWE Survivor Series 1988Greg "The Hammer" Valentine
- 1988Macho MadnessGreg "The Hammer" Valentine
- 1988WWE U.K. Rampage 1988Greg "The Hammer" Valentine
- 1988WWE Wrestling at The Meadowlands: September '88Greg "The Hammer" Valentine
- 1988The Best of the WWF: volume 16 Around the WorldGreg "The Hammer" Valentine
- 1988WWE Maple Leaf Wrestling: July '88Greg "The Hammer" Valentine
- 1988WWE Maple Leaf Wrestling: April '88Greg "The Hammer" Valentine
- 1988WWE WrestleMania IVGreg "The Hammer" Valentine
- 1988Clash of the ChampionsGreg "The Hammer" Valentine
- 1988Brutus "The Barber" BeefcakeGreg "The Hammer" Valentine
- 1987The Best of the WWF: volume 14Greg "The Hammer" Valentine
- 1987Wrestling's Most Embarrassing MomentsGreg "The Hammer" Valentine
- 1987WWE Houston Wrestling: December '87Greg "The Hammer" Valentine
- 1987WWE Survivor Series 1987Greg Valentine
- 1987WWE Houston Wrestling: October '87Greg "The Hammer" Valentine
- 1987WWE Maple Leaf Wrestling: June '87Greg "The Hammer" Valentine
- 1987The Best of the WWF: volume 11Greg "The Hammer" Valentine
- 1987WWE WrestleMania IIIGreg "The Hammer" Valentine
- 1987The Best of the WWF: volume 10Greg "The Hammer" Valentine
- 1987WWE Maple Leaf Wrestling: January '87Greg "The Hammer" Valentine
- 1987WWE Wrestling at The Meadowlands: January '87Greg "The Hammer" Valentine
- 1987Bob Uecker's Wacky World of SportsGreg "The Hammer" Valentine
- 1986Inside the Steel CageGreg "The Hammer" Valentine
- 1986WWE Houston Wrestling: October '86Greg "The Hammer" Valentine
- 1986The British BulldogsGreg Valentine
- 1986The Best of the WWF: volume 9Greg "The Hammer" Valentine
- 1986WWF Wrestling ChallengeGreg Valentine
- 1986WWF SuperstarsGreg "The Hammer" Valentine
- 1986WWE The Big EventGreg "The Hammer" Valentine
- 1986The Best of the WWF: volume 7Greg "The Hammer" Valentine
- 1986Ricky "The Dragon" SteamboatGreg "The Hammer" Valentine
- 1986WrestleMania IIGreg "The Hammer" Valentine
- 1986WWE Grudge MatchGreg "The Hammer" Valentine
- 1986Tag Team ChampionsGreg Valentine
- 1986The Best of the WWF: volume 5Greg "The Hammer" Valentine
- 1985The WWF's Amazing ManagersGreg 'The Hammer' Valentine
- 1985WWE Maple Leaf Wrestling: December '85Greg "The Hammer" Valentine
- 1985WWE Maple Leaf Wrestling: October '85Greg "The Hammer" Valentine
- 1985WWE Maple Leaf Wrestling: September '85Greg "The Hammer" Valentine
- 1985The Best of the WWF: volume 4Greg "The Hammer" Valentine
- 1985WWE Saturday Night's Main EventGreg Valentine
- 1985WWE Maple Leaf Wrestling: April '85Greg "The Hammer" Valentine
- 1985WrestleManiaGreg "The Hammer" Valentine
- 1985Most Unusual MatchesGreg "The Hammer" Valentine
- 1985WWF Hulkamania 1Greg Valentine
- 1984WWE Maple Leaf Wrestling: October '84Greg "The Hammer" Valentine
- 1984WWE Maple Leaf Wrestling: September '84Greg "The Hammer" Valentine
- 1984WWE The Brawl to End it AllGreg "The Hammer" Valentine
- 1984Tuesday Night TitansGreg "The Hammer" Valentine
- 1984NWA Boogie JamGreg Valentine
- 1983NWA Starrcade 1983Greg "The Hammer" Valentine
- 1983WCW Arena ShowsGreg Valentine
- 1983NWA The Race to StarrcadeGreg Valentine
- 1983NWA The Final ConflictGreg Valentine
- 1982NWA Sam Muchnick Retirement ShowGreg Valentine
- 1981Mid-Atlantic Championship WrestlingGreg Valentine
- 1975WWF All-Star WrestlingGreg Valentine
- 1973WWE Old SchoolGreg Valentine
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