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John Wisniski Jr.

John Wisniski Jr.

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.

Midnight Massacre
2021
CaepioBiography: 'Rowdy' Roddy Piper
2021
SelfChris Jericho's 30th Anniversary Celebration
2020
Greg "The Hammer" Valentine350 Days
2019
SelfWWE: The U.S. Championship: A Legacy of Greatness
2016
Greg 'The Hammer' Valentine (archive footage)Behind the Ropes: The Greatest Fraternity in the World
2015
HimselfAt What Cost? Anatomy of Professional Wrestling
2015
HimselfWWE: Starrcade - The Essential Collection
2012
HimselfTimeline: The History of WWE – 1985 – As Told By Greg Valentine
2011
HimselfWWE: The History Of The Intercontinental Championship
2008
HimselfWWE: The History Of The WWE Championship
2006
WWE Hall of Fame 2004
2004
Heroes of Wrestling
1999
Greg "The Hammer" ValentineWCW World War 3 1997
1997
Greg "The Hammer" ValentineWWE Royal Rumble 1994
1994
Greg "The Hammer" ValentineWWE Survivor Series 1993
1993
The Blue KnightWWF SuperTape '92
1992
Greg "The Hammer" ValentineWCW Beach Blast
1992
Greg "The Hammer" ValentineWCW Clash of The Champions XX: 20th Anniversary
1992
Greg "The Hammer" ValentineWWE Royal Rumble 1992
1992
Greg "The Hammer" ValentineWCW Wrestle War: WarGames
1992
Greg "The Hammer" ValentineWWE WrestleFest '91
1991
Greg "The Hammer" ValentineWWE Mega Matches
1991
Greg "The Hammer" ValentineWWE Rampage '91
1991
Greg "The Hammer" ValentineWWE WrestleMania VII
1991
Greg "The Hammer" ValentineWWE Royal Rumble 1991
1991
Greg "The Hammer" ValentineWWE SummerSlam 1991
1991
Greg "The Hammer" ValentineWWE Superstars & Stripes Forever: The March to WrestleMania VII
1991
Greg "The Hammer" ValentineWWE U.K. Rampage 1991
1991
Greg "The Hammer" ValentineBattle of the WWE Superstars
1990
Greg ValentineWWF Hottest Matches
1990
Greg "The Hammer" ValentineWWF SuperTape vol. 2
1990
Greg "The Hammer" ValentineWWE Survivor Series 1990
1990
Greg "The Hammer" ValentineWWF/AJPW/NJPW Wrestling Summit
1990
WWE The Ultimate Challenge Special: The March to WrestleMania VI
1990
Greg "The Hammer" ValentineWWE Royal Rumble 1990
1990
Greg "The Hammer" ValentineWWE WrestleMania V
1989
Greg "The Hammer" ValentineWWE Demolition
1989
Greg "The Hammer" ValentineThe Ultimate Warrior
1989
Greg "The Hammer" ValentineFan Favorites
1989
Greg ValentineThe Best of the WWF: volume 20
1989
Greg "The Hammer" ValentineWWE Royal Rumble 1989
1989
Greg "The Hammer" ValentineWWE Survivor Series 1989
1989
Greg "The Hammer" ValentineWWE SummerSlam 1989
1989
Greg ValentineWWE Survivor Series 1988
1988
Greg "The Hammer" ValentineThe Best of the WWF: volume 16 Around the World
1988
Greg "The Hammer" ValentineWWE WrestleMania IV
1988
Greg "The Hammer" ValentineWrestleMania IV
1988
Greg 'The Hammer' ValentineWWE WrestleMania III
1987
Greg "The Hammer" ValentineBob Uecker's Wacky World of Sports
1987
Greg "The Hammer" ValentineThe Best of the WWF: volume 10
1987
Greg "The Hammer" ValentineThe Best of the WWF: volume 11
1987
Greg "The Hammer" ValentineThe Best of the WWF: volume 14
1987
Greg "The Hammer" ValentineWWE Survivor Series 1987
1987
Greg ValentineWrestleMania III
1987
Greg 'The Hammer' ValentineWrestleMania II
1986
Greg "The Hammer" ValentineThe British Bulldogs
1986
Greg ValentineRicky "The Dragon" Steamboat
1986
Greg "The Hammer" ValentineWWE's Inside the Steel Cage
1986
Greg 'The Hammer' ValentineThe Best of the WWF: volume 7
1986
Greg "The Hammer" ValentineThe Best of the WWF: volume 5
1986
Greg "The Hammer" ValentineThe Best of the WWF: volume 9
1986
Greg "The Hammer" ValentineTag Team Champions
1986
Greg ValentineWWE The Big Event
1986
Greg "The Hammer" ValentineWrestleMania 2
1986
Greg 'The Hammer' ValentineWrestleMania
1985
Greg "The Hammer" ValentineThe Best of the WWF: volume 4
1985
Greg "The Hammer" ValentineThe WWF's Most Unusual Matches
1985
Greg 'The Hammer' ValentineWWF Hulkamania 1
1985
Greg ValentineWWE The Brawl to End it All
1984
Greg "The Hammer" ValentineNWA Boogie Jam
1984
Greg ValentineNWA Starrcade 1983
1983
Greg "The Hammer" ValentineNWA The Final Conflict
1983
Greg ValentineThe Immortal Hulk Hogan

Greg Valentine