John Wisniski Jr.
September 20, 1951 (73 years old) in 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.
Known For
Credits
- 2021 · Midnight Massacre as Caepio
- 2021 · Biography: “Rowdy” Roddy Piper as Self
- 2021 · Biography: WWE Legends as Greg "The Hammer" Valentine
- 2021 · WWE's Most Wanted Treasures as Greg "The Hammer" Valentine
- 2020 · Chris Jericho's 30th Anniversary Celebration as Greg "The Hammer" Valentine
- 2019 · All Elite Wrestling: Dynamite as Greg Valentine
- 2019 · 350 Days as Self
- 2016 · WWE: The U.S. Championship: A Legacy of Greatness as Greg 'The Hammer' Valentine (archive footage)
- 2015 · Behind the Ropes: The Greatest Fraternity in the World as Himself
- 2015 · At What Cost? Anatomy of Professional Wrestling as Himself
- 2014 · WWE: 150 Best Pay-Per-View Matches, Vol 1 as Himself
- 2012 · WWE: Starrcade - The Essential Collection as Himself
- 2011 · JCW Legends and Icons as
- 2011 · Timeline: The History of WWE – 1985 – As Told By Greg Valentine as Himself
- 2008 · WWE: The History Of The Intercontinental Championship as Himself
- 2006 · WWE: The History Of The WWE Championship as
- 2005 · World Wrestling Legends: 6:05 - The Reunion as Greg Valentine
- 2004 · WWE Hall of Fame 2004 as
- 1999 · Heroes of Wrestling as Greg "The Hammer" Valentine
- 1997 · WCW World War 3 1997 as Greg "The Hammer" Valentine
- 1995 · AWF Warriors of Wrestling as Greg "The Hammer" Valentine
- 1994 · WWE Royal Rumble 1994 as Greg "The Hammer" Valentine
- 1993 · WWE Survivor Series 1993 as The Blue Knight
- 1993 · WWE Raw as Greg "The Hammer" Valentine
- 1992 · WCW Clash of The Champions XX: 20th Anniversary as Greg "The Hammer" Valentine
- 1992 · WCW Beach Blast as Greg "The Hammer" Valentine
- 1992 · WCW Wrestle War: WarGames as Greg "The Hammer" Valentine
- 1992 · WWF SuperTape '92 as Greg "The Hammer" Valentine
- 1992 · WWE Royal Rumble 1992 as Greg "The Hammer" Valentine
- 1991 · WWE Rampage '91 as Greg "The Hammer" Valentine
- 1991 · WWE SummerSlam 1991 as Greg "The Hammer" Valentine
- 1991 · WWE WrestleFest '91 as Greg "The Hammer" Valentine
- 1991 · WWE U.K. Rampage 1991 as Greg "The Hammer" Valentine
- 1991 · WWE Mega Matches as Greg "The Hammer" Valentine
- 1991 · WWE WrestleMania VII as Greg "The Hammer" Valentine
- 1991 · WWE Superstars & Stripes Forever: The March to WrestleMania VII as Greg "The Hammer" Valentine
- 1991 · WWE Royal Rumble 1991 as Greg "The Hammer" Valentine
- 1990 · WWE Survivor Series 1990 as Greg "The Hammer" Valentine
- 1990 · WWF Hottest Matches as Greg "The Hammer" Valentine
- 1990 · Battle of the WWE Superstars as Greg Valentine
- 1990 · WWF SuperTape vol. 2 as Greg "The Hammer" Valentine
- 1990 · WWF/AJPW/NJPW Wrestling Summit as
- 1990 · WWE The Ultimate Challenge Special: The March to WrestleMania VI as Greg "The Hammer" Valentine
- 1990 · WWE Royal Rumble 1990 as Greg "The Hammer" Valentine
- 1989 · WWE Survivor Series 1989 as Greg "The Hammer" Valentine
- 1989 · WWE SummerSlam 1989 as Greg Valentine
- 1989 · The Best of the WWF: volume 20 as Greg "The Hammer" Valentine
- 1989 · WWE Demolition as Greg "The Hammer" Valentine
- 1989 · Fan Favorites as Greg Valentine
- 1989 · The Ultimate Warrior as Greg "The Hammer" Valentine
- 1989 · WWE Wrestling at The Meadowlands: May '89 as Greg "The Hammer" Valentine
- 1989 · WWE Maple Leaf Wrestling: April '89 as Greg "The Hammer" Valentine
- 1989 · WWE WrestleMania V as Greg "The Hammer" Valentine
- 1989 · WWE Los Angeles Wrestling: January '89 as Greg "The Hammer" Valentine
- 1989 · WWE Royal Rumble 1989 as Greg "The Hammer" Valentine
- 1988 · WWE Los Angeles Wrestling: December '88 as Greg "The Hammer" Valentine
- 1988 · WWE Survivor Series 1988 as Greg "The Hammer" Valentine
- 1988 · WWE U.K. Rampage 1988 as Greg "The Hammer" Valentine
- 1988 · WWE Wrestling at The Meadowlands: September '88 as Greg "The Hammer" Valentine
- 1988 · The Best of the WWF: volume 16 Around the World as Greg "The Hammer" Valentine
- 1988 · WWE Maple Leaf Wrestling: July '88 as Greg "The Hammer" Valentine
- 1988 · WWE Maple Leaf Wrestling: April '88 as Greg "The Hammer" Valentine
- 1988 · WWE WrestleMania IV as Greg "The Hammer" Valentine
- 1987 · The Best of the WWF: volume 14 as Greg "The Hammer" Valentine
- 1987 · WWE Houston Wrestling: December '87 as Greg "The Hammer" Valentine
- 1987 · WWE Survivor Series 1987 as Greg Valentine
- 1987 · WWE Houston Wrestling: October '87 as Greg "The Hammer" Valentine
- 1987 · WWE Maple Leaf Wrestling: June '87 as Greg "The Hammer" Valentine
- 1987 · The Best of the WWF: volume 11 as Greg "The Hammer" Valentine
- 1987 · WWE WrestleMania III as Greg "The Hammer" Valentine
- 1987 · The Best of the WWF: volume 10 as Greg "The Hammer" Valentine
- 1987 · WWE Maple Leaf Wrestling: January '87 as Greg "The Hammer" Valentine
- 1987 · WWE Wrestling at The Meadowlands: January '87 as Greg "The Hammer" Valentine
- 1987 · Bob Uecker's Wacky World of Sports as Greg "The Hammer" Valentine
- 1986 · WWE's Inside the Steel Cage as Greg 'The Hammer' Valentine
- 1986 · WWE Houston Wrestling: October '86 as Greg "The Hammer" Valentine
- 1986 · The Best of the WWF: volume 9 as Greg "The Hammer" Valentine
- 1986 · The British Bulldogs as Greg Valentine
- 1986 · WWF Wrestling Challenge as Greg Valentine
- 1986 · WWE The Big Event as Greg "The Hammer" Valentine
- 1986 · The Best of the WWF: volume 7 as Greg "The Hammer" Valentine
- 1986 · Ricky "The Dragon" Steamboat as Greg "The Hammer" Valentine
- 1986 · WrestleMania II as Greg "The Hammer" Valentine
- 1986 · Tag Team Champions as Greg Valentine
- 1986 · The Best of the WWF: volume 5 as Greg "The Hammer" Valentine
- 1985 · WWE Maple Leaf Wrestling: October '85 as Greg "The Hammer" Valentine
- 1985 · WWE Maple Leaf Wrestling: September '85 as Greg "The Hammer" Valentine
- 1985 · The Best of the WWF: volume 4 as Greg "The Hammer" Valentine
- 1985 · Saturday Night's Main Event as
- 1985 · WWE Maple Leaf Wrestling: April '85 as Greg "The Hammer" Valentine
- 1985 · WWE Pay Per View as Greg "The Hammer" Valentine
- 1985 · WrestleMania as Greg "The Hammer" Valentine
- 1985 · The WWF's Most Unusual Matches as Greg 'The Hammer' Valentine
- 1985 · WWF Hulkamania 1 as Greg Valentine
- 1984 · WWE Maple Leaf Wrestling: October '84 as Greg "The Hammer" Valentine
- 1984 · WWE Maple Leaf Wrestling: September '84 as Greg "The Hammer" Valentine
- 1984 · WWE The Brawl to End it All as Greg "The Hammer" Valentine
- 1984 · NWA Boogie Jam as Greg Valentine
- 1983 · NWA Starrcade 1983 as Greg "The Hammer" Valentine
- 1983 · NWA The Race to Starrcade as Greg Valentine
- 1983 · NWA The Final Conflict as Greg Valentine
- 1982 · NWA Sam Muchnick Retirement Show as Greg Valentine
- Future · WWE Maple Leaf Wrestling: December '85 as Greg "The Hammer" Valentine