John Wisniski Jr.
Acting
September 20, 1951
Seattle, Washington, USA
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.
Movies
WWE: The History Of The WWE Championship
2006
WWE: The U.S. Championship: A Legacy of Greatness
2016
Behind the Ropes: The Greatest Fraternity in the World
2015
The Immortal Hulk Hogan
1992
Battle of the WWE Superstars
1990
Timeline: The History of WWE – 1985 – As Told By Greg Valentine
2011
WWE SuperTape: Volume 5
1992
NWA Starrcade 1983
1983
WWE WrestleMania IV
1988
WWE WrestleMania V
1989
Tag Team Champions
1986
WrestleMania III (Duplicated)
1987
NWA The Final Conflict
1983
WWE Funniest Moments
1991
WWE The Big Event
1986
Inside the Steel Cage
1986
WWF Hulkamania 1
1985
The British Bulldogs
1986
Macho Madness
1988
Midnight Massacre
2025
TV Shows
Raw
1993
All Elite Wrestling: Dynamite
2019
WWF Wrestling Challenge
1986
WWF Wrestling Challenge
1986
Saturday Night's Main Event
1985
Saturday Night's Main Event
1985
Saturday Night's Main Event
1985
Biography: WWE Legends
2021
WWE Old School
1973
WWE Old School
1973
Undertaker: The Last Ride
2020
Mid-Atlantic Championship Wrestling
1981
WWE's Most Wanted Treasures
2021
WWF All-Star Wrestling
1975
WWF All-Star Wrestling
1975
Clash of the Champions
1988
Tuesday Night Titans
1984
Tuesday Night Titans
1984
WCW Arena Shows
1983