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John Wisniski Jr.

Actor • Born 1951

John Wisniski Jr.

Open Cinema

About

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.

Known for

Raw posterRawSeries • 1993All Elite Wrestling: Dynamite posterAll Elite Wrestling: DynamiteSeries • 2019WWF Superstars posterWWF SuperstarsSeries • 1986WWF Wrestling Challenge posterWWF Wrestling ChallengeSeries • 1986WWE Saturday Night's Main Event posterWWE Saturday Night's Main EventSeries • 1985WWF All-Star Wrestling posterWWF All-Star WrestlingSeries • 1975Mid-Atlantic Championship Wrestling posterMid-Atlantic Championship WrestlingSeries • 1981WWE Old School posterWWE Old SchoolSeries • 1973Clash of the Champions posterClash of the ChampionsSeries • 1988Biography: WWE Legends posterBiography: WWE LegendsSeries • 2021Undertaker: The Last Ride posterUndertaker: The Last RideSeries • 2020WWE WrestleMania III posterWWE WrestleMania IIIMovie • 1987WrestleMania posterWrestleManiaMovie • 1985WrestleMania II posterWrestleMania IIMovie • 1986WWE WrestleMania IV posterWWE WrestleMania IVMovie • 1988WWE WrestleMania VII posterWWE WrestleMania VIIMovie • 1991WWE WrestleMania V posterWWE WrestleMania VMovie • 1989