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John Wisniski Jr.

Known for: Acting
Born: September 20, 1951 · age 74
From: 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.

Bio via TMDB ↗

§ Known for

All Elite Wrestling: Dynamite

2019 · Greg Valentine

WWE Saturday Night's Main Event

1985 · Greg Valentine

Raw

1993 · Greg "The Hammer" Valentine

WWE WrestleMania III

1987 · Greg "The Hammer" Valentine

WWE Survivor Series 1987

1987 · Greg Valentine

WWE WrestleMania V

1989 · Greg "The Hammer" Valentine

WWE WrestleMania IV

1988 · Greg "The Hammer" Valentine

WWE WrestleMania VII

1991 · Greg "The Hammer" Valentine

WWE Survivor Series 1988

1988 · Greg "The Hammer" Valentine

WWE's Most Wanted Treasures

2021 · Greg "The Hammer" Valentine

Midnight Massacre

2025 · Caepio

Biography: WWE Legends

2021 · TV · Greg "The Hammer" Valentine

WWE's Most Wanted Treasures

2021 · TV · Greg "The Hammer" Valentine

Chris Jericho's 30th Anniversary Celebration

2020 · Greg "The Hammer" Valentine

All Elite Wrestling: Dynamite

2019 · TV · Greg Valentine

JCW Legends and Icons

2011

WWE: The History Of The WWE Championship

2006

World Wrestling Legends: 6:05 - The Reunion

2005 · Greg Valentine

Heroes of Wrestling

1999 · Greg "The Hammer" Valentine

WCW World War 3 1997

1997 · Greg "The Hammer" Valentine

AWF Warriors of Wrestling

1995 · TV · Greg "The Hammer" Valentine

WWE Royal Rumble 1994

1994 · Greg "The Hammer" Valentine