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John Wisniski Jr.
Actor
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.
Born1951-09-20
Place of BirthSeattle, Washington, USA
Known For
6.8
Raw
Reality
8.0
All Elite Wrestling: Dynamite
Action & AdventureDrama
7.4
WWF Superstars
Action & Adventure
6.8
WWF Wrestling Challenge
DramaAction & Adventure
8.3
WWE Saturday Night's Main Event
DramaFamily
WWF All-Star Wrestling
Action & Adventure
Mid-Atlantic Championship Wrestling
Action & Adventure
Clash of the Champions
Action & Adventure
9.0
Tuesday Night Titans
ComedyDrama
WWE Old School
Action & Adventure
7.4
Biography: WWE Legends
Documentary
7.4
Undertaker: The Last Ride
DocumentaryDrama
8.6
WWE's Most Wanted Treasures
RealityDrama
WWE Hottest Matches
ActionDrama
WCW Arena Shows
Action & Adventure
7.3
WWE WrestleMania III
ActionDrama
Macho Madness
ActionDrama
NWA The Final Conflict
Action
7.7
Chris Jericho's 30th Anniversary Celebration
TV Movie
6.0
Headstrong
Documentary
7.2
WWE WrestleMania IV
ActionDrama
7.8
The Greatest Wrestling Stars of the '80s
ActionDrama
WWE WrestleFest '91
ActionDrama
6.6
WrestleMania
ActionDrama