J
John Wisniski Jr.
Acting
Born September 20, 1951
From Seattle, Washington, USA
Also known as Greg "The Hammer" Valentine, Greg Valentine, Baby Face Nelson
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 Heavyweig...
Filmography
Midnight Massacre
Caepio
2025
Chris Jericho's 30th Anniversary Celebration
Greg "The Hammer" Valentine
20207.0
350 Days
Self
20195.1
Headstrong
Self
20196.0
WWE: The U.S. Championship: A Legacy of Greatness
Greg 'The Hammer' Valentine (archive footage)
20169.2
Behind the Ropes: The Greatest Fraternity in the World
Himself
2015
At What Cost? Anatomy of Professional Wrestling
Himself
201510.0
—
WWE: 150 Best Pay-Per-View Matches, Vol 1
Himself
201410.0
WWE: Starrcade - The Essential Collection
Himself
2012
—
JCW Legends and Icons
2011
Timeline The History of WWE – 1985 – As Told By Greg Valentine
Himself
2011
WWE: The History Of The Intercontinental Championship
Himself
20087.3
WWE: The History Of The WWE Championship
200610.0
The Greatest Wrestling Stars of the '80s
Self
20057.8
—
World Wrestling Legends: 6:05 - The Reunion
Greg Valentine
2005
WWE Hall of Fame 2004
Self
20048.3
Heroes of Wrestling
Greg "The Hammer" Valentine
19991.0
WCW World War 3 1997
Greg "The Hammer" Valentine
19977.5
WWE Royal Rumble 1994
Greg "The Hammer" Valentine
19947.0
WWE Survivor Series 1993
The Blue Knight
19937.0
The Immortal Hulk Hogan
Greg Valentine
1992
WCW Clash of The Champions XX: 20th Anniversary
Greg "The Hammer" Valentine
1992
WCW Beach Blast
Greg "The Hammer" Valentine
19928.0
WCW WrestleWar 1992
Greg "The Hammer" Valentine
19926.0
WWE SuperTape: Volume 5
Greg "The Hammer" Valentine
1992
WWE Royal Rumble 1992
Greg "The Hammer" Valentine
19926.9
WWE Rampage '91
Greg "The Hammer" Valentine
1991
WWE SummerSlam 1991
Greg "The Hammer" Valentine
19917.7
WWE WrestleFest '91
Greg "The Hammer" Valentine
1991
WWE U.K. Rampage 1991
Greg "The Hammer" Valentine
19916.0
WWE Mega Matches
Greg "The Hammer" Valentine
1991
WWE WrestleMania VII
Greg "The Hammer" Valentine
19917.3
WWE Superstars & Stripes Forever: The March to WrestleMania VII
Greg "The Hammer" Valentine
1991
WWE Funniest Moments
Greg "The Hammer" Valentine
1991
WWE Royal Rumble 1991
Greg "The Hammer" Valentine
19917.1
WWE Survivor Series 1990
Greg "The Hammer" Valentine
19907.7
WWE Hottest Matches
Greg "The Hammer" Valentine
1990
Battle of the WWE Superstars
Greg Valentine
1990
WWE SuperTape: Volume 2
Greg "The Hammer" Valentine
1990
WWF/AJPW/NJPW Wrestling Summit
1990
WWE The Ultimate Challenge Special: The March to WrestleMania VI
Greg "The Hammer" Valentine
1990
Wrestling Superheroes
Greg "The Hammer" Valentine
1990
WWE Royal Rumble 1990
Greg "The Hammer" Valentine
19906.1
WWE Survivor Series 1989
Greg "The Hammer" Valentine
19897.8
WWE SummerSlam 1989
Greg Valentine
19896.7
Demolition: Witness the Power
Greg "The Hammer" Valentine
1989
Fan Favorites
Greg Valentine
1989
The Best of the WWF: volume 20
Greg "The Hammer" Valentine
1989
The Ultimate Warrior
Greg "The Hammer" Valentine
1989
—
WWE Wrestling at The Meadowlands: May '89
Greg "The Hammer" Valentine
1989
—
WWE Maple Leaf Wrestling: April '89
Greg "The Hammer" Valentine
1989
WWE WrestleMania V
Greg "The Hammer" Valentine
19897.3
—
WWE Los Angeles Wrestling: January '89
Greg "The Hammer" Valentine
1989
WWE Royal Rumble 1989
Greg "The Hammer" Valentine
19895.8
—
WWE Los Angeles Wrestling: December '88
Greg "The Hammer" Valentine
1988
WWE Survivor Series 1988
Greg "The Hammer" Valentine
19888.2
Macho Madness
Greg "The Hammer" Valentine
1988
—
WWE U.K. Rampage 1988
Greg "The Hammer" Valentine
1988
—
WWE Wrestling at The Meadowlands: September '88
Greg "The Hammer" Valentine
1988
The Best of the WWF: volume 16 Around the World
Greg "The Hammer" Valentine
1988
—
WWE Maple Leaf Wrestling: July '88
Greg "The Hammer" Valentine
1988
—
WWE Maple Leaf Wrestling: April '88
Greg "The Hammer" Valentine
1988
WWE WrestleMania IV
Greg "The Hammer" Valentine
19887.2
Brutus "The Barber" Beefcake
Greg "The Hammer" Valentine
1988
The Best of the WWF: volume 14
Greg "The Hammer" Valentine
1987
Wrestling's Most Embarrassing Moments
Greg "The Hammer" Valentine
198710.0
—
WWE Houston Wrestling: December '87
Greg "The Hammer" Valentine
1987
WWE Survivor Series 1987
Greg Valentine
19878.4
—
WWE Houston Wrestling: October '87
Greg "The Hammer" Valentine
1987
—
WWE Maple Leaf Wrestling: June '87
Greg "The Hammer" Valentine
1987
The Best of the WWF: volume 11
Greg "The Hammer" Valentine
1987
WWE WrestleMania III
Greg "The Hammer" Valentine
19877.4
The Best of the WWF: volume 10
Greg "The Hammer" Valentine
1987
—
WWE Maple Leaf Wrestling: January '87
Greg "The Hammer" Valentine
1987
—
WWE Wrestling at The Meadowlands: January '87
Greg "The Hammer" Valentine
1987
Bob Uecker's Wacky World of Sports
Greg "The Hammer" Valentine
1987
Inside the Steel Cage
Greg "The Hammer" Valentine
1986
—
WWE Houston Wrestling: October '86
Greg "The Hammer" Valentine
1986
The British Bulldogs
Greg Valentine
19864.0
The Best of the WWF: volume 9
Greg "The Hammer" Valentine
1986
WWE The Big Event
Greg "The Hammer" Valentine
19868.0
The Best of the WWF: volume 7
Greg "The Hammer" Valentine
1986
Ricky "The Dragon" Steamboat
Greg "The Hammer" Valentine
198610.0
WrestleMania II
Greg "The Hammer" Valentine
19866.4
WWE Grudge Match
Greg "The Hammer" Valentine
1986
Tag Team Champions
Greg Valentine
1986
The Best of the WWF: volume 5
Greg "The Hammer" Valentine
1986
The WWF's Amazing Managers
Greg 'The Hammer' Valentine
1985
—
WWE Maple Leaf Wrestling: December '85
Greg "The Hammer" Valentine
1985
—
WWE Maple Leaf Wrestling: October '85
Greg "The Hammer" Valentine
1985
—
WWE Maple Leaf Wrestling: September '85
Greg "The Hammer" Valentine
1985
The Best of the WWF: volume 4
Greg "The Hammer" Valentine
1985
—
WWE Maple Leaf Wrestling: April '85
Greg "The Hammer" Valentine
1985
WrestleMania
Greg "The Hammer" Valentine
19856.7
Most Unusual Matches
Greg "The Hammer" Valentine
19859.0
WWF Hulkamania 1
Greg Valentine
1985
—
WWE Maple Leaf Wrestling: October '84
Greg "The Hammer" Valentine
1984
—
WWE Maple Leaf Wrestling: September '84
Greg "The Hammer" Valentine
1984
WWE The Brawl to End it All
Greg "The Hammer" Valentine
198410.0
NWA Boogie Jam
Greg Valentine
1984
NWA Starrcade 1983
Greg "The Hammer" Valentine
19837.2
—
NWA The Race to Starrcade
Greg Valentine
1983
NWA The Final Conflict
Greg Valentine
1983
—
NWA Sam Muchnick Retirement Show
Greg Valentine
1982