Image of 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 WWF Intercontinental Champion. An alumnus of the World Wrestling Federation and World Championship Wrestling, he was inducted to the WWE Hall of Fame in 2004.

Read bio at tmdb | Read bio at Wikipedia
Sep 20, 1951 In Seattle, Washington, USA
Movie/TV Credits:
First Appeared:
In the movie NWA Sam Muchnick Retirement Show 1982-01-01
Latest Project:
Movie Timeline: The History of WWE – 1985 – As Told By Greg Valentine 2022
Known For
Poster of All Elite Wrestling: Dynamite
Poster of AWF Warriors of Wrestling
Poster of WCW Beach Blast 1992
Poster of Saturday Night's Main Event
Movie Timeline: The History of WWE – 1985 – As Told By Greg Valentine Himself 2022
Movie Chris Jericho's 30th Anniversary Celebration Greg "The Hammer" Valentine 2020-10-07
Movie 350 Days 2019-04-02
Series All Elite Wrestling: Dynamite Greg Valentine 2019-10-02
Movie WWE: The U.S. Championship: A Legacy of Greatness Greg 'The Hammer' Valentine (archive footage) 2016-04-26
Movie At What Cost? Anatomy of Professional Wrestling Himself 2015-04-25
Movie Behind the Ropes: The Greatest Fraternity in the World Himself 2015-12-31
Movie WWE: 150 Best Pay-Per-View Matches, Vol 1 Himself 2014-03-11
Movie WWE: Starrcade - The Essential Collection Himself 2012-01-03
Movie WWE: The History Of The Intercontinental Championship Himself 2008-11-25
Movie WWE: The History Of The WWE Championship Unknown 2006-09-05
Movie WWE Hall of Fame 2004 Unknown 2004-03-12
Movie Heroes of Wrestling Greg Valentine 1999-10-10
Movie WCW World War 3 1997 Greg "The Hammer" Valentine 1997-11-23
Series AWF Warriors of Wrestling Unknown 1995-03-06
Movie WWE Royal Rumble 1994 Greg "The Hammer" Valentine 1994-01-22
Series WWE Raw Unknown 1993-01-11
Movie WWE Survivor Series 1993 The Blue Knight 1993-11-24
Movie WWE Royal Rumble 1992 Greg "The Hammer" Valentine 1992-01-19
Movie WCW WrestleWar 1992 Greg "The Hammer" Valentine 1992-05-17
Movie WCW Beach Blast 1992 Greg "The Hammer" Valentine 1992-06-20
Movie WCW Clash of The Champions XX: 20th Anniversary Greg "The Hammer" Valentine 1992-09-02
Movie WWE Superstars & Stripes Forever: The March to WrestleMania VII Greg "The Hammer" Valentine 1991-03-17
Movie WWE Royal Rumble 1991 Greg "The Hammer" Valentine 1991-01-19
Movie WWE WrestleMania VII Greg "The Hammer" Valentine 1991-03-24
Movie WWE U.K. Rampage 1991 Greg "The Hammer" Valentine 1991-04-21
Movie WWE SummerSlam 1991 Greg "The Hammer" Valentine 1991-08-26
Movie WWE Royal Rumble 1990 Greg Valentine 1990-01-21
Movie WWE The Ultimate Challenge Special: The March to WrestleMania VI Greg "The Hammer" Valentine 1990-03-25
Movie WWF/AJPW/NJPW Wrestling Summit 1990-04-13
Movie WWE Survivor Series 1990 Himself 1990-11-22
Movie WWE Royal Rumble 1989 Greg "The Hammer" Valentine 1989-01-15
Movie WWE WrestleMania V Himself 1989-04-02
Movie WWE Survivor Series 1989 1989-11-23
Movie WWE SummerSlam 1989 Greg Valentine 1989-08-28
Movie WWE WrestleMania IV Greg "The Hammer" Valentine 1988-03-27
Movie WWE Survivor Series 1988 Greg "The Hammer" Valentine 1988-11-24
Movie WWE WrestleMania III Greg "The Hammer" Valentine 1987-03-29
Movie WWE Survivor Series 1987 Greg "The Hammer" Valentine 1987-11-26
Movie WWE The Big Event Greg "The Hammer" Valentine 1986-08-27
Movie Tag Team Champions Greg Valentine 1986-03-01
Movie WrestleMania II Greg "The Hammer" Valentine 1986-04-07
Movie WWE WrestleMania Greg "The Hammer" Valentine 1985-03-31
Series Saturday Night's Main Event 1985-05-10
Movie NWA Boogie Jam Greg Valentine 1984-03-17
Movie WWE The Brawl to End it All Greg "The Hammer" Valentine 1984-07-23
Movie NWA The Final Conflict Greg Valentine 1983-03-12
Movie NWA The Race to Starrcade Greg Valentine 1983-09-07
Movie NWA Starrcade 1983 Greg Valentine 1983-11-24
Movie NWA Sam Muchnick Retirement Show Greg Valentine 1982-01-01