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
WrestleMania
(1985)
Greg "The Hammer" Valentine
WrestleMania II
(1986)
Greg "The Hammer" Valentine
Full Filmography
Acting
NWA Sam Muchnick Retirement Show
(1982)
Greg Valentine
NWA Starrcade 1983
(1983)
Greg Valentine
NWA The Final Conflict
(1983)
Greg Valentine
NWA The Race to Starrcade
(1983)
Greg Valentine
NWA Boogie Jam
(1984)
Greg Valentine
WWE The Brawl to End it All
(1984)
Greg "The Hammer" Valentine
WrestleMania
(1985)
Greg "The Hammer" Valentine
The WWF's Most Unusual Matches
(1985)
Greg 'The Hammer' Valentine
WWF Hulkamania 1
(1985)
Greg Valentine
The Best of the WWF: volume 4
(1985)
Greg "The Hammer" Valentine
WrestleMania II
(1986)
Greg "The Hammer" Valentine
Tag Team Champions
(1986)
Greg Valentine
WWE The Big Event
(1986)
Greg "The Hammer" Valentine
The British Bulldogs
(1986)
Greg Valentine
Ricky "The Dragon" Steamboat
(1986)
Greg "The Hammer" Valentine
WWE's Inside the Steel Cage
(1986)
Greg 'The Hammer' Valentine
The Best of the WWF: volume 5
(1986)
Greg "The Hammer" Valentine
The Best of the WWF: volume 7
(1986)
Greg "The Hammer" Valentine
The Best of the WWF: volume 9
(1986)
Greg "The Hammer" Valentine
WWE WrestleMania III
(1987)
Greg "The Hammer" Valentine
WWE Survivor Series 1987
(1987)
Greg Valentine
Bob Uecker's Wacky World of Sports
(1987)
Greg "The Hammer" Valentine
The Best of the WWF: volume 10
(1987)
Greg "The Hammer" Valentine
The Best of the WWF: volume 11
(1987)
Greg "The Hammer" Valentine
The Best of the WWF: volume 14
(1987)
Greg "The Hammer" Valentine
WWE Survivor Series 1988
(1988)
Greg "The Hammer" Valentine
WWE WrestleMania IV
(1988)
Greg "The Hammer" Valentine
The Best of the WWF: volume 16 Around the World
(1988)
Greg "The Hammer" Valentine
WWE WrestleMania V
(1989)
Greg "The Hammer" Valentine
WWE Royal Rumble 1989
(1989)
Greg "The Hammer" Valentine
WWE Survivor Series 1989
(1989)
Greg "The Hammer" Valentine
WWE SummerSlam 1989
(1989)
Greg Valentine
WWE Demolition
(1989)
Greg "The Hammer" Valentine
The Ultimate Warrior
(1989)
Greg "The Hammer" Valentine
Fan Favorites
(1989)
Greg Valentine
The Best of the WWF: volume 20
(1989)
Greg "The Hammer" Valentine
WWE Survivor Series 1990
(1990)
Greg "The Hammer" Valentine
WWF/AJPW/NJPW Wrestling Summit
(1990)
WWE The Ultimate Challenge Special: The March to WrestleMania VI
(1990)
Greg "The Hammer" Valentine
WWE Royal Rumble 1990
(1990)
Greg "The Hammer" Valentine
Battle of the WWE Superstars
(1990)
Greg Valentine
WWF Hottest Matches
(1990)
Greg "The Hammer" Valentine
WWF SuperTape vol. 2
(1990)
Greg "The Hammer" Valentine
WWE WrestleMania VII
(1991)
Greg "The Hammer" Valentine
WWE Royal Rumble 1991
(1991)
Greg "The Hammer" Valentine
WWE SummerSlam 1991
(1991)
Greg "The Hammer" Valentine
WWE Superstars & Stripes Forever: The March to WrestleMania VII
(1991)
Greg "The Hammer" Valentine
WWE U.K. Rampage 1991
(1991)
Greg "The Hammer" Valentine
WWE WrestleFest '91
(1991)
Greg "The Hammer" Valentine
WWE Mega Matches
(1991)
Greg "The Hammer" Valentine
WWE Rampage '91
(1991)
Greg "The Hammer" Valentine
WCW Beach Blast
(1992)
Greg "The Hammer" Valentine
WCW Clash of The Champions XX: 20th Anniversary
(1992)
Greg "The Hammer" Valentine
WWE Royal Rumble 1992
(1992)
Greg "The Hammer" Valentine
WCW Wrestle War: WarGames
(1992)
Greg "The Hammer" Valentine
WWE SuperTape '92
(1992)
Greg "The Hammer" Valentine
WWE Survivor Series 1993
(1993)
The Blue Knight
WWE Royal Rumble 1994
(1994)
Greg "The Hammer" Valentine
WCW World War 3 1997
(1997)
Greg "The Hammer" Valentine
Heroes of Wrestling
(1999)
Greg "The Hammer" Valentine
WWE Hall of Fame 2004
(2004)
World Wrestling Legends: 6:05 - The Reunion
(2005)
Greg Valentine
WWE: The History Of The WWE Championship
(2006)
WWE: The History Of The Intercontinental Championship
(2008)
Himself
Timeline: The History of WWE – 1985 – As Told By Greg Valentine
(2011)
Himself
WWE: Starrcade - The Essential Collection
(2012)
Himself
WWE: 150 Best Pay-Per-View Matches, Vol 1
(2014)
Himself
Behind the Ropes: The Greatest Fraternity in the World
(2015)
Himself
At What Cost? Anatomy of Professional Wrestling
(2015)
Himself
WWE: The U.S. Championship: A Legacy of Greatness
(2016)
Greg 'The Hammer' Valentine (archive footage)
350 Days
(2019)
Chris Jericho's 30th Anniversary Celebration
(2020)
Greg "The Hammer" Valentine
Biography: “Rowdy” Roddy Piper
(2021)
Midnight Massacre
(2021)
Caepio