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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.
The roles that explain the career.
37 credits across 2 departments.
| Year | Title | Role | Type |
|---|---|---|---|
| 2019 | Headstrong | Self | Film |
| 2011 | Timeline The History of WWE – 1985 – As Told By Greg Valentine | Himself | Film |
| 2008 | WWE: The History Of The Intercontinental Championship | Himself | Film |
| 2005 | The Greatest Wrestling Stars of the '80s | Self | Film |
| 1994 | WWE Royal Rumble 1994 | Greg "The Hammer" Valentine | Film |
| 1993 | WWE Survivor Series 1993 | The Blue Knight | Film |
| 1992 | WCW Clash of The Champions XX: 20th Anniversary | Greg "The Hammer" Valentine | Film |
| 1992 | WWE Royal Rumble 1992 | Greg "The Hammer" Valentine | Film |
| 1991 | WWE WrestleMania VII | Greg "The Hammer" Valentine | Film |
| 1991 | WWE SummerSlam 1991 | Greg "The Hammer" Valentine | Film |
| 1991 | WWE Superstars & Stripes Forever: The March to WrestleMania VII | Greg "The Hammer" Valentine | Film |
| 1991 | WWE Royal Rumble 1991 | Greg "The Hammer" Valentine | Film |
| 1991 | WWE U.K. Rampage 1991 | Greg "The Hammer" Valentine | Film |
| 1990 | WWE Survivor Series 1990 | Greg "The Hammer" Valentine | Film |
| 1990 | WWF/AJPW/NJPW Wrestling Summit | Film | |
| 1989 | WWE SummerSlam 1989 | Greg Valentine | Film |
| 1989 | WWE WrestleMania V | Greg "The Hammer" Valentine | Film |
| 1989 | Demolition: Witness the Power | Greg "The Hammer" Valentine | Film |
| 1989 | The Best of the WWF: volume 20 | Greg "The Hammer" Valentine | Film |
| 1989 | Fan Favorites | Greg Valentine | Film |
| 1989 | WWE Royal Rumble 1989 | Greg "The Hammer" Valentine | Film |
| 1988 | WWE WrestleMania IV | Greg "The Hammer" Valentine | Film |
| 1987 | WWE WrestleMania III | Greg "The Hammer" Valentine | Film |
| 1987 | WWE Survivor Series 1987 | Greg Valentine | Film |
| 1987 | The Best of the WWF: volume 11 | Greg "The Hammer" Valentine | Film |
| 1987 | The Best of the WWF: volume 10 | Greg "The Hammer" Valentine | Film |
| 1986 | WWE The Big Event | Greg "The Hammer" Valentine | Film |
| 1986 | WrestleMania II | Greg "The Hammer" Valentine | Film |
| 1986 | Tag Team Champions | Greg Valentine | Film |
| 1986 | The Best of the WWF: volume 5 | Greg "The Hammer" Valentine | Film |
| 1986 | The Best of the WWF: volume 7 | Greg "The Hammer" Valentine | Film |
| 1986 | The Best of the WWF: volume 9 | Greg "The Hammer" Valentine | Film |
| 1985 | WrestleMania | Greg "The Hammer" Valentine | Film |
| 1985 | The Best of the WWF: volume 4 | Greg "The Hammer" Valentine | Film |
| 1985 | WWF Hulkamania 1 | Greg Valentine | Film |
| 1984 | WWE The Brawl to End it All | Greg "The Hammer" Valentine | Film |
| 1983 | NWA The Final Conflict | Greg Valentine | Film |
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