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
Greg "The Hammer" Valentine
WrestleMania
Greg "The Hammer" Valentine
WrestleMania II
Greg "The Hammer" Valentine
WWE WrestleMania V
Greg "The Hammer" Valentine
WWE WrestleMania III
Greg Valentine
Battle of the WWE Superstars
Greg "The Hammer" Valentine
WWE WrestleFest '91
Greg Valentine
The British Bulldogs
Greg "The Hammer" Valentine
WWF Hottest Matches
Greg "The Hammer" Valentine
WWF SuperTape vol. 2
Greg "The Hammer" Valentine
WWF SuperTape '92
Greg "The Hammer" Valentine
WWE Demolition
Greg "The Hammer" Valentine
WWE Mega Matches
Greg "The Hammer" Valentine
WWE Rampage '91
Greg "The Hammer" Valentine
The Ultimate Warrior
Greg "The Hammer" Valentine
Ricky "The Dragon" Steamboat
Greg "The Hammer" Valentine
WWE WrestleMania VII
Greg "The Hammer" Valentine
WWE Royal Rumble 1991
Greg "The Hammer" Valentine
WWE SummerSlam 1991
The Blue Knight
WWE Survivor Series 1993
Greg "The Hammer" Valentine
WWE Survivor Series 1990
Greg "The Hammer" Valentine
WWE Survivor Series 1988
Greg "The Hammer" Valentine
NWA Starrcade 1983
Caepio
Midnight Massacre
Greg "The Hammer" Valentine
WCW Beach Blast
Greg "The Hammer" Valentine
WCW World War 3 1997
Greg "The Hammer" Valentine
Bob Uecker's Wacky World of Sports
Himself
Behind the Ropes: The Greatest Fraternity in the World
Greg Valentine
Fan Favorites
Himself
At What Cost? Anatomy of Professional Wrestling
Greg 'The Hammer' Valentine
WWE's Inside the Steel Cage
Greg "The Hammer" Valentine
The Best of the WWF: volume 4
Greg "The Hammer" Valentine
The Best of the WWF: volume 5
Greg "The Hammer" Valentine
The Best of the WWF: volume 7
Greg "The Hammer" Valentine
The Best of the WWF: volume 9
Greg "The Hammer" Valentine
The Best of the WWF: volume 10
Greg "The Hammer" Valentine
The Best of the WWF: volume 11
Greg "The Hammer" Valentine
The Best of the WWF: volume 14
Greg "The Hammer" Valentine
The Best of the WWF: volume 16 Around the World
Greg "The Hammer" Valentine
The Best of the WWF: volume 20
Greg 'The Hammer' Valentine
The WWF's Most Unusual Matches
Greg Valentine
WWF Hulkamania 1
Greg Valentine
World Wrestling Legends: 6:05 - The Reunion
Himself
Timeline: The History of WWE – 1985 – As Told By Greg Valentine
Greg 'The Hammer' Valentine (archive footage)
WWE: The U.S. Championship: A Legacy of Greatness
JCW Legends and Icons
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: April '89
Greg "The Hammer" Valentine
WWE U.K. Rampage 1988
Greg "The Hammer" Valentine
WWE Houston Wrestling: October '86
Greg "The Hammer" Valentine
WWE Houston Wrestling: October '87
Greg "The Hammer" Valentine
WWE Houston Wrestling: December '87
Greg "The Hammer" Valentine
WWE Los Angeles Wrestling: January '89
Greg "The Hammer" Valentine
WWE Los Angeles Wrestling: December '88
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: September '84
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: October '84
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: April '85
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: September '85
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: October '85
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: December '85
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: January '87
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: June '87
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: April '88
Greg "The Hammer" Valentine
WWE Wrestling at The Meadowlands: January '87
Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: July '88
Greg "The Hammer" Valentine
WWE Wrestling at The Meadowlands: September '88
Greg "The Hammer" Valentine
WWE Wrestling at The Meadowlands: May '89
WWE: The History Of The WWE Championship
WWE Hall of Fame 2004
WWF/AJPW/NJPW Wrestling Summit
Himself
WWE: 150 Best Pay-Per-View Matches, Vol 1
Himself
WWE: The History Of The Intercontinental Championship
Himself
WWE: Starrcade - The Essential Collection
Greg Valentine
NWA The Final Conflict
Self
350 Days
Greg Valentine
Tag Team Champions
Greg "The Hammer" Valentine
WWE WrestleMania IV
Greg "The Hammer" Valentine
WCW Clash of The Champions XX: 20th Anniversary
Greg "The Hammer" Valentine
Heroes of Wrestling
Greg "The Hammer" Valentine
WWE Royal Rumble 1989
Greg "The Hammer" Valentine
WWE Survivor Series 1989
Greg Valentine
NWA Sam Muchnick Retirement Show
Greg Valentine
NWA The Race to Starrcade
Greg Valentine
NWA Boogie Jam
Greg "The Hammer" Valentine
WWE The Brawl to End it All
Greg "The Hammer" Valentine
WWE The Ultimate Challenge Special: The March to WrestleMania VI
Greg "The Hammer" Valentine
WWE The Big Event
Greg Valentine
WWE Survivor Series 1987
Greg "The Hammer" Valentine
WWE U.K. Rampage 1991
Greg "The Hammer" Valentine
WWE Superstars & Stripes Forever: The March to WrestleMania VII
Greg "The Hammer" Valentine
WWE Royal Rumble 1992
Greg "The Hammer" Valentine
WWE Royal Rumble 1994
Greg "The Hammer" Valentine
WCW Wrestle War: WarGames
Greg "The Hammer" Valentine
WWE Royal Rumble 1990
Greg Valentine
WWE SummerSlam 1989
Greg "The Hammer" Valentine
Chris Jericho's 30th Anniversary Celebration
Self
Biography: 'Rowdy' Roddy Piper
Greg Valentine
The Immortal Hulk Hogan
Greg Valentine
WrestleMania
Greg 'The Hammer' Valentine
WrestleMania 2
Greg 'The Hammer' Valentine
WrestleMania III
Greg 'The Hammer' Valentine
WrestleMania IV
Personal Info
Known For
Acting
Known Credits
100
Gender
Male
Birthday
1951-09-20
Place of Birth
Seattle, Washington, USA
Also Known As
Greg "The Hammer" Valentine