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.
WrestleMania
(Greg "The Hammer" Valentine)
WrestleMania II
(Greg "The Hammer" Valentine)
WWE WrestleMania III
(Greg "The Hammer" Valentine)
WWE WrestleMania V
(Greg "The Hammer" Valentine)
Battle of the WWE Superstars
(Greg Valentine)
WWE WrestleFest '91
(Greg "The Hammer" Valentine)
The British Bulldogs
(Greg 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 Survivor Series 1990
(Greg "The Hammer" Valentine)
WWE SummerSlam 1991
(Greg "The Hammer" Valentine)
WWE Survivor Series 1993
(The Blue Knight)
WWE Survivor Series 1988
(Greg "The Hammer" Valentine)
NWA Starrcade 1983
(Greg "The Hammer" Valentine)
Midnight Massacre
(Caepio)
WCW Beach Blast
(Greg "The Hammer" Valentine)
WCW World War 3 1997
(Greg "The Hammer" Valentine)
Bob Uecker's Wacky World of Sports
(Greg "The Hammer" Valentine)
Behind the Ropes: The Greatest Fraternity in the World
(Himself)
Fan Favorites
(Greg Valentine)
At What Cost? Anatomy of Professional Wrestling
(Himself)
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 'The Hammer' Valentine)
WWF Hulkamania 1
(Greg Valentine)
World Wrestling Legends: 6:05 - The Reunion
(Greg Valentine)
Timeline: The History of WWE – 1985 – As Told By Greg Valentine
(Himself)
WWE: The U.S. Championship: A Legacy of Greatness
(Greg 'The Hammer' Valentine (archive footage))
JCW Legends and Icons
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: December '88
(Greg "The Hammer" Valentine)
WWE Los Angeles Wrestling: January '89
(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
(Greg "The Hammer" Valentine)
WWE: The History Of The WWE Championship
WWE Hall of Fame 2004
WWF/AJPW/NJPW Wrestling Summit
WWE: 150 Best Pay-Per-View Matches, Vol 1
(Himself)
WWE: The History Of The Intercontinental Championship
(Himself)
WWE: Starrcade - The Essential Collection
(Himself)
NWA The Final Conflict
(Greg Valentine)
350 Days
(Self)
Tag Team Champions
(Greg 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 "The Hammer" Valentine)
NWA Sam Muchnick Retirement Show
(Greg Valentine)
NWA The Race to Starrcade
(Greg Valentine)
NWA Boogie Jam
(Greg 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 "The Hammer" Valentine)
WWE Survivor Series 1987
(Greg Valentine)
WWE Superstars & Stripes Forever: The March to WrestleMania VII
(Greg "The Hammer" Valentine)
WWE U.K. Rampage 1991
(Greg "The Hammer" Valentine)
WWE Royal Rumble 1992
(Greg "The Hammer" Valentine)
WWE Royal Rumble 1990
(Greg "The Hammer" Valentine)
WWE SummerSlam 1989
(Greg Valentine)
WWE Royal Rumble 1994
(Greg "The Hammer" Valentine)
WCW Wrestle War: WarGames
(Greg "The Hammer" Valentine)
Chris Jericho's 30th Anniversary Celebration
(Greg "The Hammer" Valentine)
Biography: “Rowdy” Roddy Piper
(Self)
Saturday Night's Main Event
Biography: WWE Legends
(Greg "The Hammer" Valentine)
AWF Warriors of Wrestling
(Greg "The Hammer" Valentine)
WWE's Most Wanted Treasures
(Greg "The Hammer" Valentine)
WWE Raw
(Greg "The Hammer" Valentine)
WWF Wrestling Challenge
(Greg Valentine)
WWE Pay Per View
(Greg "The Hammer" Valentine)
All Elite Wrestling: Dynamite
(Greg Valentine)