J
Personal Info
Known For
Acting
Born
September 20, 1951 (age 74)
Place of Birth
Seattle, Washington, USA
Also Known As
Greg "The Hammer" Valentine
Greg Valentine
Baby Face Nelson
The Blue Knight
Boxcar Willie
John Wisniski Jr.
Biography
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
TV
Raw
Greg "The Hammer" Valentine
1993
TV
All Elite Wrestling: Dynamite
Greg Valentine
2019
TV
WWF Wrestling Challenge
Greg Valentine
1986
TV
WWF Wrestling Challenge
Greg "The Hammer" Valentine
1986
TV
Saturday Night's Main Event
Greg Valentine
1985
TV
Saturday Night's Main Event
1985
TV
Saturday Night's Main Event
Greg "The Hammer" Valentine
1985
TV
WWE Old School
Greg Valentine
1973
TV
WWE Old School
Greg "The Hammer" Valentine
1973
TV
Biography: WWE Legends
Greg "The Hammer" Valentine
2021
TV
Tuesday Night Titans
Greg "The Hammer" Valentine
1984
TV
Tuesday Night Titans
Greg Valentine
1984
TV
WWF All-Star Wrestling
Greg Valentine
1975
TV
WWF All-Star Wrestling
Greg 'The Hammer' Valentine
1975
TV
WWE's Most Wanted Treasures
Greg "The Hammer" Valentine
2021
TV
Clash of the Champions
Greg "The Hammer" Valentine
1988
TV
Undertaker: The Last Ride
Greg Valentine (archive footage)
2020
TV
Mid-Atlantic Championship Wrestling
Greg Valentine
1981
Film
WrestleMania
Greg "The Hammer" Valentine
1985
Film
WWE Hottest Matches
Greg "The Hammer" Valentine
1990
Filmography
2025FilmMidnight Massacreas Caepio2021TVBiography: WWE Legendsas Greg "The Hammer" Valentine2021TVWWE's Most Wanted Treasuresas Greg "The Hammer" Valentine2020FilmChris Jericho's 30th Anniversary Celebrationas Greg "The Hammer" Valentine2020TVUndertaker: The Last Rideas Greg Valentine (archive footage)2019TVAll Elite Wrestling: Dynamiteas Greg Valentine2019Film350 Daysas Self2016FilmWWE: The U.S. Championship: A Legacy of Greatnessas Greg 'The Hammer' Valentine (archive footage)2015FilmBehind the Ropes: The Greatest Fraternity in the Worldas Himself2015FilmAt What Cost? Anatomy of Professional Wrestlingas Himself2014FilmWWE: 150 Best Pay-Per-View Matches, Vol 1as Himself2012FilmWWE: Starrcade - The Essential Collectionas Himself2011FilmJCW Legends and Icons2011FilmTimeline: The History of WWE – 1985 – As Told By Greg Valentineas Himself2008FilmWWE: The History Of The Intercontinental Championshipas Himself2006FilmWWE: The History Of The WWE Championship2005FilmThe Greatest Stars of the 80'sas Self2005FilmWorld Wrestling Legends: 6:05 - The Reunionas Greg Valentine2004FilmWWE Hall of Fame 2004as Self1999FilmHeroes of Wrestlingas Greg "The Hammer" Valentine1997FilmWCW World War 3 1997as Greg "The Hammer" Valentine1995TVAWF Warriors of Wrestlingas Greg "The Hammer" Valentine1994FilmWWE Royal Rumble 1994as Greg "The Hammer" Valentine1993FilmWWE Survivor Series 1993as The Blue Knight1993TVRawas Greg "The Hammer" Valentine1992FilmThe Immortal Hulk Hoganas Greg Valentine1992FilmWCW Clash of The Champions XX: 20th Anniversaryas Greg "The Hammer" Valentine1992FilmWCW Beach Blastas Greg "The Hammer" Valentine1992FilmWCW WrestleWar 1992as Greg "The Hammer" Valentine1992FilmWWE SuperTape: Volume 5as Greg "The Hammer" Valentine1992FilmWWE Royal Rumble 1992as Greg "The Hammer" Valentine1991FilmWWE Rampage '91as Greg "The Hammer" Valentine1991FilmWWE SummerSlam 1991as Greg "The Hammer" Valentine1991FilmWWE WrestleFest '91as Greg "The Hammer" Valentine1991FilmWWE U.K. Rampage 1991as Greg "The Hammer" Valentine1991FilmWWE Mega Matchesas Greg "The Hammer" Valentine1991FilmWWE WrestleMania VIIas Greg "The Hammer" Valentine1991FilmWWE Superstars & Stripes Forever: The March to WrestleMania VIIas Greg "The Hammer" Valentine1991FilmWWE Funniest Momentsas Greg "The Hammer" Valentine1991FilmWWE Royal Rumble 1991as Greg "The Hammer" Valentine1990FilmWWE Survivor Series 1990as Greg "The Hammer" Valentine1990FilmWWE Hottest Matchesas Greg "The Hammer" Valentine1990FilmBattle of the WWE Superstarsas Greg Valentine1990FilmWWE SuperTape: Volume 2as Greg "The Hammer" Valentine1990FilmWWF/AJPW/NJPW Wrestling Summit1990FilmWWE The Ultimate Challenge Special: The March to WrestleMania VIas Greg "The Hammer" Valentine1990FilmWrestling Superheroesas Greg "The Hammer" Valentine1990FilmWWE Royal Rumble 1990as Greg "The Hammer" Valentine1989FilmWWE Survivor Series 1989as Greg "The Hammer" Valentine1989FilmWWE SummerSlam 1989as Greg Valentine1989FilmDemolition: Witness the Poweras Greg "The Hammer" Valentine1989FilmFan Favoritesas Greg Valentine1989FilmThe Best of the WWF: volume 20as Greg "The Hammer" Valentine1989FilmThe Ultimate Warrioras Greg "The Hammer" Valentine1989FilmWWE Wrestling at The Meadowlands: May '89as Greg "The Hammer" Valentine1989FilmWWE Maple Leaf Wrestling: April '89as Greg "The Hammer" Valentine1989FilmWWE WrestleMania Vas Greg "The Hammer" Valentine1989FilmWWE Los Angeles Wrestling: January '89as Greg "The Hammer" Valentine1989FilmWWE Royal Rumble 1989as Greg "The Hammer" Valentine1988FilmWWE Los Angeles Wrestling: December '88as Greg "The Hammer" Valentine1988FilmWWE Survivor Series 1988as Greg "The Hammer" Valentine1988FilmMacho Madnessas Greg "The Hammer" Valentine1988FilmWWE U.K. Rampage 1988as Greg "The Hammer" Valentine1988FilmWWE Wrestling at The Meadowlands: September '88as Greg "The Hammer" Valentine1988FilmThe Best of the WWF: volume 16 Around the Worldas Greg "The Hammer" Valentine1988FilmWWE Maple Leaf Wrestling: July '88as Greg "The Hammer" Valentine1988FilmWWE Maple Leaf Wrestling: April '88as Greg "The Hammer" Valentine1988FilmWWE WrestleMania IVas Greg "The Hammer" Valentine1988TVClash of the Championsas Greg "The Hammer" Valentine1988FilmBrutus "The Barber" Beefcakeas Greg "The Hammer" Valentine1987FilmThe Best of the WWF: volume 14as Greg "The Hammer" Valentine1987FilmWrestling's Most Embarrassing Momentsas Greg "The Hammer" Valentine1987FilmWWE Houston Wrestling: December '87as Greg "The Hammer" Valentine1987FilmWWE Survivor Series 1987as Greg Valentine1987FilmWWE Houston Wrestling: October '87as Greg "The Hammer" Valentine1987FilmWWE Maple Leaf Wrestling: June '87as Greg "The Hammer" Valentine1987FilmThe Best of the WWF: volume 11as Greg "The Hammer" Valentine1987FilmWWE WrestleMania IIIas Greg "The Hammer" Valentine1987FilmThe Best of the WWF: volume 10as Greg "The Hammer" Valentine1987FilmWWE Maple Leaf Wrestling: January '87as Greg "The Hammer" Valentine1987FilmWWE Wrestling at The Meadowlands: January '87as Greg "The Hammer" Valentine1987FilmBob Uecker's Wacky World of Sportsas Greg "The Hammer" Valentine1986FilmInside the Steel Cageas Greg "The Hammer" Valentine1986FilmWWE Houston Wrestling: October '86as Greg "The Hammer" Valentine1986FilmThe British Bulldogsas Greg Valentine1986FilmThe Best of the WWF: volume 9as Greg "The Hammer" Valentine1986TVWWF Wrestling Challengeas Greg Valentine1986FilmWWE The Big Eventas Greg "The Hammer" Valentine1986FilmThe Best of the WWF: volume 7as Greg "The Hammer" Valentine1986FilmRicky "The Dragon" Steamboatas Greg "The Hammer" Valentine1986FilmWrestleMania IIas Greg "The Hammer" Valentine1986FilmWWE Grudge Matchas Greg "The Hammer" Valentine1986FilmTag Team Championsas Greg Valentine1986FilmThe Best of the WWF: volume 5as Greg "The Hammer" Valentine1985FilmThe WWF's Amazing Managersas Greg 'The Hammer' Valentine1985FilmWWE Maple Leaf Wrestling: October '85as Greg "The Hammer" Valentine1985FilmWWE Maple Leaf Wrestling: September '85as Greg "The Hammer" Valentine1985FilmThe Best of the WWF: volume 4as Greg "The Hammer" Valentine1985TVSaturday Night's Main Eventas Greg Valentine1985FilmWWE Maple Leaf Wrestling: April '85as Greg "The Hammer" Valentine1985FilmWrestleManiaas Greg "The Hammer" Valentine1985FilmMost Unusual Matchesas Greg "The Hammer" Valentine1985FilmWWF Hulkamania 1as Greg Valentine1984FilmWWE Maple Leaf Wrestling: October '84as Greg "The Hammer" Valentine1984FilmWWE Maple Leaf Wrestling: September '84as Greg "The Hammer" Valentine1984FilmWWE The Brawl to End it Allas Greg "The Hammer" Valentine1984TVTuesday Night Titansas Greg "The Hammer" Valentine1984FilmNWA Boogie Jamas Greg Valentine1983FilmNWA Starrcade 1983as Greg "The Hammer" Valentine1983TVWCW Arena Showsas Greg Valentine1983FilmNWA The Race to Starrcadeas Greg Valentine1983FilmNWA The Final Conflictas Greg Valentine1982FilmNWA Sam Muchnick Retirement Showas Greg Valentine1981TVMid-Atlantic Championship Wrestlingas Greg Valentine1975TVWWF All-Star Wrestlingas Greg Valentine1973TVWWE Old Schoolas Greg Valentine—FilmWWE Maple Leaf Wrestling: December '85as Greg "The Hammer" Valentine