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John Wisniski Jr.
Acting

John Wisniski Jr.

Born 1951-09-20
Seattle, Washington, USA
Department: Acting

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

Prominent works featuring John Wisniski Jr.

Raw
TV
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Raw

1993
TMDB3.4
All Elite Wrestling: Dynamite
TV
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All Elite Wrestling: Dynamite

2019
TMDB4.0
WWF Superstars
TV
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WWF Superstars

1986
TMDB3.6
WWF All-Star Wrestling
TV
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WWF All-Star Wrestling

1975
TMDB0.0
Undertaker: The Last Ride
TV
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Undertaker: The Last Ride

2020
TMDB3.7
WWE Saturday Night's Main Event
TV
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WWE Saturday Night's Main Event

1985
TMDB4.2
WWF Wrestling Challenge
TV
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WWF Wrestling Challenge

1986
TMDB3.4
Mid-Atlantic Championship Wrestling
TV
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Mid-Atlantic Championship Wrestling

1981
TMDB0.0
WWE Old School
TV
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WWE Old School

1973
TMDB0.0
Clash of the Champions
TV
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Clash of the Champions

1988
TMDB0.0

Filmography & Credits

Complete career catalog (125 titles)

PosterTitleCharacter / RoleTypeYear
Midnight MassacreMidnight MassacreCaepioMovie2025
Biography: WWE LegendsBiography: WWE LegendsGreg "The Hammer" ValentineTV Series2021
WWE's Most Wanted TreasuresWWE's Most Wanted TreasuresGreg "The Hammer" ValentineTV Series2021
Chris Jericho's 30th Anniversary CelebrationChris Jericho's 30th Anniversary CelebrationGreg "The Hammer" ValentineMovie2020
Undertaker: The Last RideUndertaker: The Last RideGreg Valentine (archive footage)TV Series2020
All Elite Wrestling: DynamiteAll Elite Wrestling: DynamiteGreg ValentineTV Series2019
350 Days350 DaysSelfMovie2019
HeadstrongHeadstrongSelfMovie2019
WWE: The U.S. Championship: A Legacy of GreatnessWWE: The U.S. Championship: A Legacy of GreatnessGreg 'The Hammer' Valentine (archive footage)Movie2016
Behind the Ropes: The Greatest Fraternity in the WorldBehind the Ropes: The Greatest Fraternity in the WorldHimselfMovie2015
At What Cost? Anatomy of Professional WrestlingAt What Cost? Anatomy of Professional WrestlingHimselfMovie2015
WWE: 150 Best Pay-Per-View Matches, Vol 1HimselfMovie2014
WWE: Starrcade - The Essential CollectionWWE: Starrcade - The Essential CollectionHimselfMovie2012
JCW Legends and IconsSelf / AppearanceMovie2011
Timeline The History of WWE – 1985 – As Told By Greg ValentineTimeline The History of WWE – 1985 – As Told By Greg ValentineHimselfMovie2011
WWE: The History Of The Intercontinental ChampionshipWWE: The History Of The Intercontinental ChampionshipHimselfMovie2008
WWE: The History Of The WWE ChampionshipWWE: The History Of The WWE ChampionshipSelf / AppearanceMovie2006
The Greatest Wrestling Stars of the '80sThe Greatest Wrestling Stars of the '80sSelfMovie2005
World Wrestling Legends: 6:05 - The ReunionGreg ValentineMovie2005
WWE Hall of Fame 2004WWE Hall of Fame 2004SelfMovie2004
Heroes of WrestlingHeroes of WrestlingGreg "The Hammer" ValentineMovie1999
WCW World War 3 1997WCW World War 3 1997Greg "The Hammer" ValentineMovie1997
AWF Warriors of WrestlingGreg "The Hammer" ValentineTV Series1995
WWE Royal Rumble 1994WWE Royal Rumble 1994Greg "The Hammer" ValentineMovie1994
WWE Survivor Series 1993WWE Survivor Series 1993The Blue KnightMovie1993
RawRawGreg "The Hammer" ValentineTV Series1993
The Immortal Hulk HoganThe Immortal Hulk HoganGreg ValentineMovie1992
WCW Clash of The Champions XX: 20th AnniversaryWCW Clash of The Champions XX: 20th AnniversaryGreg "The Hammer" ValentineMovie1992
WCW Beach BlastWCW Beach BlastGreg "The Hammer" ValentineMovie1992
WCW WrestleWar 1992WCW WrestleWar 1992Greg "The Hammer" ValentineMovie1992
WWE SuperTape: Volume 5WWE SuperTape: Volume 5Greg "The Hammer" ValentineMovie1992
WWE Royal Rumble 1992WWE Royal Rumble 1992Greg "The Hammer" ValentineMovie1992
WWE Rampage '91WWE Rampage '91Greg "The Hammer" ValentineMovie1991
WWE SummerSlam 1991WWE SummerSlam 1991Greg "The Hammer" ValentineMovie1991
WWE WrestleFest '91WWE WrestleFest '91Greg "The Hammer" ValentineMovie1991
WWE U.K. Rampage 1991WWE U.K. Rampage 1991Greg "The Hammer" ValentineMovie1991
WWE Mega MatchesWWE Mega MatchesGreg "The Hammer" ValentineMovie1991
WWE WrestleMania VIIWWE WrestleMania VIIGreg "The Hammer" ValentineMovie1991
WWE Superstars & Stripes Forever: The March to WrestleMania VIIWWE Superstars & Stripes Forever: The March to WrestleMania VIIGreg "The Hammer" ValentineMovie1991
WWE Funniest MomentsWWE Funniest MomentsGreg "The Hammer" ValentineMovie1991
WWE Royal Rumble 1991WWE Royal Rumble 1991Greg "The Hammer" ValentineMovie1991
WWE Survivor Series 1990WWE Survivor Series 1990Greg "The Hammer" ValentineMovie1990
WWE Hottest MatchesWWE Hottest MatchesGreg "The Hammer" ValentineMovie1990
Battle of the WWE SuperstarsBattle of the WWE SuperstarsGreg ValentineMovie1990
WWE SuperTape: Volume 2WWE SuperTape: Volume 2Greg "The Hammer" ValentineMovie1990
WWF/AJPW/NJPW Wrestling SummitWWF/AJPW/NJPW Wrestling SummitSelf / AppearanceMovie1990
WWE The Ultimate Challenge Special: The March to WrestleMania VIWWE The Ultimate Challenge Special: The March to WrestleMania VIGreg "The Hammer" ValentineMovie1990
Wrestling SuperheroesWrestling SuperheroesGreg "The Hammer" ValentineMovie1990
WWE Royal Rumble 1990WWE Royal Rumble 1990Greg "The Hammer" ValentineMovie1990
WWE Survivor Series 1989WWE Survivor Series 1989Greg "The Hammer" ValentineMovie1989
WWE SummerSlam 1989WWE SummerSlam 1989Greg ValentineMovie1989
Demolition: Witness the PowerDemolition: Witness the PowerGreg "The Hammer" ValentineMovie1989
Fan FavoritesFan FavoritesGreg ValentineMovie1989
The Best of the WWF: volume 20The Best of the WWF: volume 20Greg "The Hammer" ValentineMovie1989
The Ultimate WarriorThe Ultimate WarriorGreg "The Hammer" ValentineMovie1989
WWE Wrestling at The Meadowlands: May '89Greg "The Hammer" ValentineMovie1989
WWE Maple Leaf Wrestling: April '89Greg "The Hammer" ValentineMovie1989
WWE WrestleMania VWWE WrestleMania VGreg "The Hammer" ValentineMovie1989
WWE Los Angeles Wrestling: January '89Greg "The Hammer" ValentineMovie1989
WWE Royal Rumble 1989WWE Royal Rumble 1989Greg "The Hammer" ValentineMovie1989
WWE Los Angeles Wrestling: December '88Greg "The Hammer" ValentineMovie1988
WWE Survivor Series 1988WWE Survivor Series 1988Greg "The Hammer" ValentineMovie1988
Macho MadnessMacho MadnessGreg "The Hammer" ValentineMovie1988
WWE U.K. Rampage 1988Greg "The Hammer" ValentineMovie1988
WWE Wrestling at The Meadowlands: September '88Greg "The Hammer" ValentineMovie1988
The Best of the WWF: volume 16 Around the WorldThe Best of the WWF: volume 16 Around the WorldGreg "The Hammer" ValentineMovie1988
WWE Maple Leaf Wrestling: July '88Greg "The Hammer" ValentineMovie1988
WWE Maple Leaf Wrestling: April '88Greg "The Hammer" ValentineMovie1988
WWE WrestleMania IVWWE WrestleMania IVGreg "The Hammer" ValentineMovie1988
Clash of the ChampionsClash of the ChampionsGreg "The Hammer" ValentineTV Series1988
Brutus "The Barber" BeefcakeBrutus "The Barber" BeefcakeGreg "The Hammer" ValentineMovie1988
The Best of the WWF: volume 14The Best of the WWF: volume 14Greg "The Hammer" ValentineMovie1987
Wrestling's Most Embarrassing MomentsWrestling's Most Embarrassing MomentsGreg "The Hammer" ValentineMovie1987
WWE Houston Wrestling: December '87Greg "The Hammer" ValentineMovie1987
WWE Survivor Series 1987WWE Survivor Series 1987Greg ValentineMovie1987
WWE Houston Wrestling: October '87Greg "The Hammer" ValentineMovie1987
WWE Maple Leaf Wrestling: June '87Greg "The Hammer" ValentineMovie1987
The Best of the WWF: volume 11The Best of the WWF: volume 11Greg "The Hammer" ValentineMovie1987
WWE WrestleMania IIIWWE WrestleMania IIIGreg "The Hammer" ValentineMovie1987
The Best of the WWF: volume 10The Best of the WWF: volume 10Greg "The Hammer" ValentineMovie1987
WWE Maple Leaf Wrestling: January '87Greg "The Hammer" ValentineMovie1987
WWE Wrestling at The Meadowlands: January '87Greg "The Hammer" ValentineMovie1987
Bob Uecker's Wacky World of SportsBob Uecker's Wacky World of SportsGreg "The Hammer" ValentineMovie1987
Inside the Steel CageInside the Steel CageGreg "The Hammer" ValentineMovie1986
WWE Houston Wrestling: October '86Greg "The Hammer" ValentineMovie1986
The British BulldogsThe British BulldogsGreg ValentineMovie1986
The Best of the WWF: volume 9The Best of the WWF: volume 9Greg "The Hammer" ValentineMovie1986
WWF Wrestling ChallengeWWF Wrestling ChallengeGreg ValentineTV Series1986
WWF Wrestling ChallengeWWF Wrestling ChallengeGreg "The Hammer" ValentineTV Series1986
WWF SuperstarsWWF SuperstarsGreg "The Hammer" ValentineTV Series1986
WWE The Big EventWWE The Big EventGreg "The Hammer" ValentineMovie1986
The Best of the WWF: volume 7The Best of the WWF: volume 7Greg "The Hammer" ValentineMovie1986
Ricky "The Dragon" SteamboatRicky "The Dragon" SteamboatGreg "The Hammer" ValentineMovie1986
WrestleMania IIWrestleMania IIGreg "The Hammer" ValentineMovie1986
WWE Grudge MatchWWE Grudge MatchGreg "The Hammer" ValentineMovie1986
Tag Team ChampionsTag Team ChampionsGreg ValentineMovie1986
The Best of the WWF: volume 5The Best of the WWF: volume 5Greg "The Hammer" ValentineMovie1986
The WWF's Amazing ManagersThe WWF's Amazing ManagersGreg 'The Hammer' ValentineMovie1985
WWE Maple Leaf Wrestling: December '85Greg "The Hammer" ValentineMovie1985
WWE Maple Leaf Wrestling: October '85Greg "The Hammer" ValentineMovie1985
WWE Maple Leaf Wrestling: September '85Greg "The Hammer" ValentineMovie1985
The Best of the WWF: volume 4The Best of the WWF: volume 4Greg "The Hammer" ValentineMovie1985
WWE Saturday Night's Main EventWWE Saturday Night's Main EventGreg ValentineTV Series1985
WWE Saturday Night's Main EventWWE Saturday Night's Main EventSelf / AppearanceTV Series1985
WWE Saturday Night's Main EventWWE Saturday Night's Main EventGreg "The Hammer" ValentineTV Series1985
WWE Maple Leaf Wrestling: April '85Greg "The Hammer" ValentineMovie1985
WrestleManiaWrestleManiaGreg "The Hammer" ValentineMovie1985
Most Unusual MatchesMost Unusual MatchesGreg "The Hammer" ValentineMovie1985
WWF Hulkamania 1WWF Hulkamania 1Greg ValentineMovie1985
WWE Maple Leaf Wrestling: October '84Greg "The Hammer" ValentineMovie1984
WWE Maple Leaf Wrestling: September '84Greg "The Hammer" ValentineMovie1984
WWE The Brawl to End it AllWWE The Brawl to End it AllGreg "The Hammer" ValentineMovie1984
Tuesday Night TitansTuesday Night TitansGreg "The Hammer" ValentineTV Series1984
Tuesday Night TitansTuesday Night TitansGreg ValentineTV Series1984
NWA Boogie JamNWA Boogie JamGreg ValentineMovie1984
NWA Starrcade 1983NWA Starrcade 1983Greg "The Hammer" ValentineMovie1983
WCW Arena ShowsWCW Arena ShowsGreg ValentineTV Series1983
NWA The Race to StarrcadeGreg ValentineMovie1983
NWA The Final ConflictNWA The Final ConflictGreg ValentineMovie1983
NWA Sam Muchnick Retirement ShowGreg ValentineMovie1982
Mid-Atlantic Championship WrestlingMid-Atlantic Championship WrestlingGreg ValentineTV Series1981
WWF All-Star WrestlingWWF All-Star WrestlingGreg ValentineTV Series1975
WWF All-Star WrestlingWWF All-Star WrestlingGreg 'The Hammer' ValentineTV Series1975
WWE Old SchoolWWE Old SchoolGreg ValentineTV Series1973
WWE Old SchoolWWE Old SchoolGreg "The Hammer" ValentineTV Series1973