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.
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- Born:
- Sep 20, 1951 In Seattle, Washington, USA
- Movie/TV Credits:
- 81
- First Appeared:
- In the movie NWA Sam Muchnick Retirement Show 1982-01-01
- Latest Project:
- Movie Midnight Massacre 2021-12-12
Known For
Filmography
| Movie | Midnight Massacre | Caepio | 2021-12-12 |
| Series | WWE's Most Wanted Treasures | Greg "The Hammer" Valentine | 2021-04-18 |
| Series | Biography: WWE Legends | Greg "The Hammer" Valentine | 2021-04-18 |
| Movie | Biography: “Rowdy” Roddy Piper | Unknown | 2021-04-25 |
| Movie | Chris Jericho's 30th Anniversary Celebration | Greg "The Hammer" Valentine | 2020-10-07 |
| Movie | 350 Days | Unknown | 2019-04-02 |
| Series | All Elite Wrestling: Dynamite | Greg Valentine | 2019-10-02 |
| Movie | WWE: The U.S. Championship: A Legacy of Greatness | Greg 'The Hammer' Valentine (archive footage) | 2016-04-26 |
| Movie | At What Cost? Anatomy of Professional Wrestling | Himself | 2015-04-25 |
| Movie | Behind the Ropes: The Greatest Fraternity in the World | Himself | 2015-12-31 |
| Movie | WWE: 150 Best Pay-Per-View Matches, Vol 1 | Himself | 2014-03-11 |
| Movie | WWE: Starrcade - The Essential Collection | Himself | 2012-01-03 |
| Movie | Timeline: The History of WWE – 1985 – As Told By Greg Valentine | Himself | 2011-06-01 |
| Movie | WWE: The History Of The Intercontinental Championship | Himself | 2008-11-25 |
| Movie | WWE: The History Of The WWE Championship | Unknown | 2006-09-05 |
| Movie | World Wrestling Legends: 6:05 - The Reunion | Greg Valentine | 2005-04-29 |
| Movie | WWE Hall of Fame 2004 | Unknown | 2004-03-12 |
| Movie | Heroes of Wrestling | Greg "The Hammer" Valentine | 1999-10-10 |
| Movie | WCW World War 3 1997 | Greg "The Hammer" Valentine | 1997-11-23 |
| Series | AWF Warriors of Wrestling | Greg "The Hammer" Valentine | 1995-03-06 |
| Movie | WWE Royal Rumble 1994 | Greg "The Hammer" Valentine | 1994-01-22 |
| Series | WWE Raw | Greg "The Hammer" Valentine | 1993-01-11 |
| Movie | WWE Survivor Series 1993 | The Blue Knight | 1993-11-24 |
| Movie | WWE Royal Rumble 1992 | Greg "The Hammer" Valentine | 1992-01-19 |
| Movie | WWE SuperTape '92 | Greg "The Hammer" Valentine | 1992-02-27 |
| Movie | WCW Wrestle War: WarGames | Greg "The Hammer" Valentine | 1992-05-17 |
| Movie | WCW Clash of The Champions XX: 20th Anniversary | Greg "The Hammer" Valentine | 1992-09-02 |
| Movie | WCW Beach Blast | Greg "The Hammer" Valentine | 1992-06-20 |
| Movie | WWE Superstars & Stripes Forever: The March to WrestleMania VII | Greg "The Hammer" Valentine | 1991-03-17 |
| Movie | WWE WrestleMania VII | Greg "The Hammer" Valentine | 1991-03-24 |
| Movie | WWE Royal Rumble 1991 | Greg "The Hammer" Valentine | 1991-01-19 |
| Movie | WWE Mega Matches | Greg "The Hammer" Valentine | 1991-03-28 |
| Movie | WWE SummerSlam 1991 | Greg "The Hammer" Valentine | 1991-08-26 |
| Movie | WWE U.K. Rampage 1991 | Greg "The Hammer" Valentine | 1991-04-21 |
| Movie | WWE Rampage '91 | Greg "The Hammer" Valentine | 1991-10-24 |
| Movie | WWE WrestleFest '91 | Greg "The Hammer" Valentine | 1991-07-25 |
| Movie | WWF SuperTape vol. 2 | Greg "The Hammer" Valentine | 1990-07-25 |
| Movie | WWE Royal Rumble 1990 | Greg "The Hammer" Valentine | 1990-01-21 |
| Movie | WWE The Ultimate Challenge Special: The March to WrestleMania VI | Greg "The Hammer" Valentine | 1990-03-25 |
| Movie | WWF/AJPW/NJPW Wrestling Summit | Unknown | 1990-04-13 |
| Movie | WWE Survivor Series 1990 | Greg "The Hammer" Valentine | 1990-11-22 |
| Movie | Battle of the WWE Superstars | Greg Valentine | 1990-08-23 |
| Movie | WWF Hottest Matches | Greg "The Hammer" Valentine | 1990-10-25 |
| Movie | The Ultimate Warrior | Greg "The Hammer" Valentine | 1989-06-28 |
| Movie | WWE WrestleMania V | Greg "The Hammer" Valentine | 1989-04-02 |
| Movie | WWE Royal Rumble 1989 | Greg "The Hammer" Valentine | 1989-01-15 |
| Movie | The Best of the WWF: volume 20 | Greg "The Hammer" Valentine | 1989-08-09 |
| Movie | WWE Demolition | Greg "The Hammer" Valentine | 1989-08-09 |
| Movie | WWE SummerSlam 1989 | Greg Valentine | 1989-08-28 |
| Movie | Fan Favorites | Greg Valentine | 1989-08-09 |
| Movie | WWE Survivor Series 1989 | Greg "The Hammer" Valentine | 1989-11-23 |
| Movie | WWE WrestleMania IV | Greg "The Hammer" Valentine | 1988-03-27 |
| Movie | The Best of the WWF: volume 16 Around the World | Greg "The Hammer" Valentine | 1988-07-27 |
| Movie | WWE Survivor Series 1988 | Greg "The Hammer" Valentine | 1988-11-24 |
| Movie | Bob Uecker's Wacky World of Sports | Greg "The Hammer" Valentine | 1987-01-01 |
| Movie | WWE WrestleMania III | Greg "The Hammer" Valentine | 1987-03-29 |
| Movie | The Best of the WWF: volume 10 | Greg "The Hammer" Valentine | 1987-03-01 |
| Movie | The Best of the WWF: volume 11 | Greg "The Hammer" Valentine | 1987-06-24 |
| Movie | WWE Survivor Series 1987 | Greg Valentine | 1987-11-26 |
| Movie | The Best of the WWF: volume 14 | Greg "The Hammer" Valentine | 1987-12-15 |
| Movie | Ricky "The Dragon" Steamboat | Greg "The Hammer" Valentine | 1986-05-02 |
| Movie | WrestleMania II | Greg "The Hammer" Valentine | 1986-04-07 |
| Movie | Tag Team Champions | Greg Valentine | 1986-03-01 |
| Movie | The Best of the WWF: volume 5 | Greg "The Hammer" Valentine | 1986-01-01 |
| Movie | The Best of the WWF: volume 7 | Greg "The Hammer" Valentine | 1986-06-06 |
| Movie | WWE's Inside the Steel Cage | Greg 'The Hammer' Valentine | 1986-12-11 |
| Movie | WWE The Big Event | Greg "The Hammer" Valentine | 1986-08-27 |
| Movie | The British Bulldogs | Greg Valentine | 1986-10-15 |
| Movie | The Best of the WWF: volume 9 | Greg "The Hammer" Valentine | 1986-10-15 |
| Series | WWF Wrestling Challenge | Greg Valentine | 1986-09-06 |
| Movie | The WWF's Most Unusual Matches | Greg 'The Hammer' Valentine | 1985-01-01 |
| Movie | WrestleMania | Greg "The Hammer" Valentine | 1985-03-31 |
| Movie | WWF Hulkamania 1 | Greg Valentine | 1985-01-01 |
| Movie | The Best of the WWF: volume 4 | Greg "The Hammer" Valentine | 1985-09-01 |
| Series | Saturday Night's Main Event | Unknown | 1985-05-11 |
| Movie | NWA Boogie Jam | Greg Valentine | 1984-03-17 |
| Movie | WWE The Brawl to End it All | Greg "The Hammer" Valentine | 1984-07-23 |
| Movie | NWA The Final Conflict | Greg Valentine | 1983-03-12 |
| Movie | NWA The Race to Starrcade | Greg Valentine | 1983-09-07 |
| Movie | NWA Starrcade 1983 | Greg Valentine | 1983-11-24 |
| Movie | NWA Sam Muchnick Retirement Show | Greg Valentine | 1982-01-01 |