John Wisniski Jr.
Acting

John Wisniski Jr.

Born 1951-09-20 · Seattle, Washington, USA

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.

ActorCast

Known for

All Elite Wrestling: Dynamite★ 8Viewing moment
All Elite Wrestling: Dynamite
2019 · Series
WWE: The U.S. Championship: A Legacy of Greatness★ 9.2Viewing moment
WWE: The U.S. Championship: A Legacy of Greatness
2016
WWE Royal Rumble 1989★ 5.5Viewing moment
WWE Royal Rumble 1989
1989
WWE WrestleMania VII★ 7.4Viewing moment
WWE WrestleMania VII
1991
WWE Royal Rumble 1992★ 7.3Viewing moment
WWE Royal Rumble 1992
1992
WrestleMania★ 6.6Viewing moment
WrestleMania
1985
Biography: WWE Legends★ 7.3Viewing moment
Biography: WWE Legends
2021 · Series
WWE WrestleMania IV★ 7.4Viewing moment
WWE WrestleMania IV
1988
WWE SummerSlam 1989★ 6.5Viewing moment
WWE SummerSlam 1989
1989
Tag Team ChampionsViewing moment
Tag Team Champions
1986
WWE WrestleMania III★ 7.6Viewing moment
WWE WrestleMania III
1987
WWE The Brawl to End it All★ 10Viewing moment
WWE The Brawl to End it All
1984
WrestleMania II★ 6.2Viewing moment
WrestleMania II
1986
WWE WrestleMania V★ 7.1Viewing moment
WWE WrestleMania V
1989
WWE Survivor Series 1989★ 7.9Viewing moment
WWE Survivor Series 1989
1989
WWE The Big Event★ 8Viewing moment
WWE The Big Event
1986
WWE Royal Rumble 1991★ 7.8Viewing moment
WWE Royal Rumble 1991
1991
WWE Survivor Series 1990★ 8.2Viewing moment
WWE Survivor Series 1990
1990
WWE SummerSlam 1991★ 8.2Viewing moment
WWE SummerSlam 1991
1991
WWE Royal Rumble 1994★ 7.5Viewing moment
WWE Royal Rumble 1994
1994
WWE Survivor Series 1987★ 8.9Viewing moment
WWE Survivor Series 1987
1987
WWE: 150 Best Pay-Per-View Matches, Vol 1★ 10Viewing moment
WWE: 150 Best Pay-Per-View Matches, Vol 1
2014
NWA The Final ConflictViewing moment
NWA The Final Conflict
1983
WWE WrestleFest '91Viewing moment
WWE WrestleFest '91
1991
WWF SuperTape vol. 2Viewing moment
WWF SuperTape vol. 2
1990
WWE The Ultimate Challenge Special: The March to WrestleMania VIViewing moment
WWE The Ultimate Challenge Special: The March to WrestleMania VI
1990
NWA Starrcade 1983★ 7Viewing moment
NWA Starrcade 1983
1983
WWE Hall of Fame 2004★ 8.5Viewing moment
WWE Hall of Fame 2004
2004
NWA Boogie JamViewing moment
NWA Boogie Jam
1984
Heroes of WrestlingViewing moment
Heroes of Wrestling
1999
WWE U.K. Rampage 1991★ 6Viewing moment
WWE U.K. Rampage 1991
1991
At What Cost? Anatomy of Professional Wrestling★ 10Viewing moment
At What Cost? Anatomy of Professional Wrestling
2015
WWE's Inside the Steel CageViewing moment
WWE's Inside the Steel Cage
1986
WWE: Starrcade - The Essential CollectionViewing moment
WWE: Starrcade - The Essential Collection
2012
Hulkamania 1Viewing moment
Hulkamania 1
1985
Chris Jericho's 30th Anniversary Celebration★ 7Viewing moment
Chris Jericho's 30th Anniversary Celebration
2020
WCW Clash of The Champions XX: 20th AnniversaryViewing moment
WCW Clash of The Champions XX: 20th Anniversary
1992
WWE Superstars & Stripes Forever: The March to WrestleMania VIIViewing moment
WWE Superstars & Stripes Forever: The March to WrestleMania VII
1991
Biography: “Rowdy” Roddy Piper★ 6Viewing moment
Biography: “Rowdy” Roddy Piper
2021
WCW WrestleWar 1992Viewing moment
WCW WrestleWar 1992
1992

Frequent collaborators

James Ray HartJames Ray HartRandy PoffoRandy PoffoBret HartBret HartHarry FujiwaraHarry FujiwaraRay HeenanRay HeenanHulk HoganHulk HoganMerced SolisMerced SolisJim NeidhartJim Neidhart