Actor
John Wisniski Jr.
Born 1951 · 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.
Acting
Undertaker: The Last Ride
Greg Valentine (archive footage) · 2020
Raw
Greg "The Hammer" Valentine · 1993
All Elite Wrestling: Dynamite
Greg Valentine · 2019
WWE Saturday Night's Main Event
Greg Valentine · 1985
WWE WrestleMania III
Greg "The Hammer" Valentine · 1987
WrestleMania
Greg "The Hammer" Valentine · 1985
WWE Survivor Series 1987
Greg Valentine · 1987
WWE WrestleMania V
Greg "The Hammer" Valentine · 1989
WWE WrestleMania IV
Greg "The Hammer" Valentine · 1988
WWE WrestleMania VII
Greg "The Hammer" Valentine · 1991
WWE Survivor Series 1988
Greg "The Hammer" Valentine · 1988
WWE: The U.S. Championship: A Legacy of Greatness
Greg 'The Hammer' Valentine (archive footage) · 2016
WWE's Most Wanted Treasures
Greg "The Hammer" Valentine · 2021
WWE: 150 Best Pay-Per-View Matches, Vol 1
Himself · 2014
Wrestling's Most Embarrassing Moments
Greg "The Hammer" Valentine · 1987
Ricky "The Dragon" Steamboat
Greg "The Hammer" Valentine · 1986
WWE The Brawl to End it All
Greg "The Hammer" Valentine · 1984
At What Cost? Anatomy of Professional Wrestling
Himself · 2015
WWE Survivor Series 1990
Greg "The Hammer" Valentine · 1990
Biography: WWE Legends
Greg "The Hammer" Valentine · 2021
WrestleMania II
Greg "The Hammer" Valentine · 1986
WWE Survivor Series 1989
Greg "The Hammer" Valentine · 1989
WWE Royal Rumble 1992
Greg "The Hammer" Valentine · 1992
WWE SummerSlam 1991
Greg "The Hammer" Valentine · 1991