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 WWE Intercontinental Championship. An alumnus of WWE and World Championship Wrestling, he was inducted to the WWE Hall of Fame in 2004.
Filmography
Raw
All Elite Wrestling: Dynamite
Saturday Night's Main Event
WWF Wrestling Challenge
WWE Old School
Tuesday Night Titans
Biography: WWE Legends
Clash of the Champions
WWE's Most Wanted Treasures
Undertaker: The Last Ride
WWF All-Star Wrestling
Mid-Atlantic Championship Wrestling
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AWF Warriors of Wrestling
WCW Arena Shows
Macho Madness
WWE WrestleFest '91
Inside the Steel Cage
WrestleMania
Midnight Massacre
WWE Funniest Moments
Brutus "The Barber" Beefcake
WWE WrestleMania IV
WWE SummerSlam 1989
WWE Survivor Series 1989
WWE WrestleMania III
The Greatest Wrestling Stars of the '80s
WWE SuperTape: Volume 5
WWE: The History Of The WWE Championship
WWE: The U.S. Championship: A Legacy of Greatness
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JCW Legends and Icons