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.
104 movies · 15 shows
Midnight Massacre
2025·0.0
Chris Jericho's 30th Anniversary Celebration
2020·7.5
350 Days
2019·5.1
Headstrong
2019·6.0
WWE: The U.S. Championship: A Legacy of Greatness
2016·9.2
Behind the Ropes: The Greatest Fraternity in the World
2015·0.0
At What Cost? Anatomy of Professional Wrestling
2015·10.0
WWE: 150 Best Pay-Per-View Matches, Vol 1
2014·10.0
WWE: Starrcade - The Essential Collection
2012·0.0
JCW Legends and Icons
2011·0.0
Timeline The History of WWE – 1985 – As Told By Greg Valentine
2011·0.0
WWE: The History Of The Intercontinental Championship
2008·7.3
WWE: The History Of The WWE Championship
2006·10.0
The Greatest Wrestling Stars of the '80s
2005·7.8
World Wrestling Legends: 6:05 - The Reunion
2005·0.0
WWE Hall of Fame 2004
2004·8.3
Heroes of Wrestling
1999·1.0
WCW World War 3 1997
1997·7.5
WWE Royal Rumble 1994
1994·6.9
WWE Survivor Series 1993
1993·6.2
The Immortal Hulk Hogan
1992·0.0
WCW Clash of The Champions XX: 20th Anniversary
1992·0.0
WCW Beach Blast
1992·8.0
WCW WrestleWar 1992
1992·6.0
WWE SuperTape: Volume 5
1992·0.0
WWE Royal Rumble 1992
1992·6.9
WWE Rampage '91
1991·0.0
WWE SummerSlam 1991
1991·7.7
WWE WrestleFest '91
1991·0.0
WWE U.K. Rampage 1991
1991·6.0
WWE Mega Matches
1991·0.0
WWE WrestleMania VII
1991·7.3
WWE Superstars & Stripes Forever: The March to WrestleMania VII
1991·0.0
WWE Funniest Moments
1991·0.0
WWE Royal Rumble 1991
1991·7.1
WWE Survivor Series 1990
1990·7.7
WWE Hottest Matches
1990·0.0
Battle of the WWE Superstars
1990·0.0
WWE SuperTape: Volume 2
1990·0.0
WWF/AJPW/NJPW Wrestling Summit
1990·0.0
WWE The Ultimate Challenge Special: The March to WrestleMania VI
1990·0.0
Wrestling Superheroes
1990·0.0
WWE Royal Rumble 1990
1990·6.1
WWE Survivor Series 1989
1989·7.8
WWE SummerSlam 1989
1989·6.7
Demolition: Witness the Power
1989·0.0
Fan Favorites
1989·0.0
The Best of the WWF: volume 20
1989·0.0
The Ultimate Warrior
1989·0.0
WWE Wrestling at The Meadowlands: May '89
1989·0.0
WWE Maple Leaf Wrestling: April '89
1989·0.0
WWE WrestleMania V
1989·7.3
WWE Los Angeles Wrestling: January '89
1989·0.0
WWE Royal Rumble 1989
1989·5.8
WWE Los Angeles Wrestling: December '88
1988·0.0
WWE Survivor Series 1988
1988·8.2
Macho Madness
1988·0.0
WWE U.K. Rampage 1988
1988·0.0
WWE Wrestling at The Meadowlands: September '88
1988·0.0
The Best of the WWF: volume 16 Around the World
1988·0.0
WWE Maple Leaf Wrestling: July '88
1988·0.0
WWE Maple Leaf Wrestling: April '88
1988·0.0
WWE WrestleMania IV
1988·7.2
Brutus "The Barber" Beefcake
1988·0.0
The Best of the WWF: volume 14
1987·0.0
Wrestling's Most Embarrassing Moments
1987·10.0
WWE Houston Wrestling: December '87
1987·0.0
WWE Survivor Series 1987
1987·8.4
WWE Houston Wrestling: October '87
1987·0.0
WWE Maple Leaf Wrestling: June '87
1987·0.0
The Best of the WWF: volume 11
1987·0.0
WWE WrestleMania III
1987·7.3
The Best of the WWF: volume 10
1987·0.0
WWE Maple Leaf Wrestling: January '87
1987·0.0
WWE Wrestling at The Meadowlands: January '87
1987·0.0
Bob Uecker's Wacky World of Sports
1987·0.0
Inside the Steel Cage
1986·0.0
WWE Houston Wrestling: October '86
1986·0.0
The British Bulldogs
1986·4.0
The Best of the WWF: volume 9
1986·0.0
WWE The Big Event
1986·8.0
The Best of the WWF: volume 7
1986·0.0
Ricky "The Dragon" Steamboat
1986·10.0
WrestleMania II
1986·6.4
WWE Grudge Match
1986·0.0
Tag Team Champions
1986·0.0
The Best of the WWF: volume 5
1986·0.0
The WWF's Amazing Managers
1985·0.0
WWE Maple Leaf Wrestling: December '85
1985·0.0
WWE Maple Leaf Wrestling: October '85
1985·0.0
WWE Maple Leaf Wrestling: September '85
1985·0.0
The Best of the WWF: volume 4
1985·0.0
WWE Maple Leaf Wrestling: April '85
1985·0.0
WrestleMania
1985·6.6
Most Unusual Matches
1985·9.0
WWF Hulkamania 1
1985·0.0
WWE Maple Leaf Wrestling: October '84
1984·0.0
WWE Maple Leaf Wrestling: September '84
1984·0.0
WWE The Brawl to End it All
1984·10.0
NWA Boogie Jam
1984·0.0
NWA Starrcade 1983
1983·7.3
NWA The Race to Starrcade
1983·0.0
NWA The Final Conflict
1983·0.0
NWA Sam Muchnick Retirement Show
1982·0.0