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Personal Info
Known For
Acting
Birthday
September 20, 1951
Place of Birth
Seattle, Washington, USA
Also Known As
- Greg "The Hammer" Valentine
- Greg Valentine
- Baby Face Nelson
- The Blue Knight
- Boxcar Willie
- Johnny Fargo
- Johnny Valentine Jr.
John Wisniski Jr.
0.1 Popularity
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
0.0
Caepio
Midnight Massacre
2025
6.8
Greg "The Hammer" Valentine
Biography: WWE Legends
2021
8.6
Greg "The Hammer" Valentine
WWE's Most Wanted Treasures
2021
7.0
Greg "The Hammer" Valentine
Chris Jericho's 30th Anniversary Celebration
2020
7.4
Greg Valentine (archive footage)
Undertaker: The Last Ride
2020
7.9
Greg Valentine
All Elite Wrestling: Dynamite
2019
5.1
Self
350 Days
2019
9.2
Greg 'The Hammer' Valentine (archive footage)
WWE: The U.S. Championship: A Legacy of Greatness
2016
0.0
Himself
Behind the Ropes: The Greatest Fraternity in the World
2015
10.0
Himself
At What Cost? Anatomy of Professional Wrestling
2015
Credits
Midnight Massacre
as Caepio
2025
0.0
Biography: WWE Legends
as Greg "The Hammer" Valentine
2021
6.8
WWE's Most Wanted Treasures
as Greg "The Hammer" Valentine
2021
8.6
Chris Jericho's 30th Anniversary Celebration
as Greg "The Hammer" Valentine
2020
7.0
Undertaker: The Last Ride
as Greg Valentine (archive footage)
2020
7.4
All Elite Wrestling: Dynamite
as Greg Valentine
2019
7.9
350 Days
as Self
2019
5.1
WWE: The U.S. Championship: A Legacy of Greatness
as Greg 'The Hammer' Valentine (archive footage)
2016
9.2
Behind the Ropes: The Greatest Fraternity in the World
as Himself
2015
0.0
At What Cost? Anatomy of Professional Wrestling
as Himself
2015
10.0
🎬
WWE: 150 Best Pay-Per-View Matches, Vol 1
as Himself
2014
10.0
WWE: Starrcade - The Essential Collection
as Himself
2012
0.0
🎬
JCW Legends and Icons
2011
0.0
Timeline: The History of WWE – 1985 – As Told By Greg Valentine
as Himself
2011
0.0
WWE: The History Of The Intercontinental Championship
as Himself
2008
7.3
WWE: The History Of The WWE Championship
2006
10.0
The Greatest Stars of the 80's
as Self
2005
8.0
🎬
World Wrestling Legends: 6:05 - The Reunion
as Greg Valentine
2005
0.0
WWE Hall of Fame 2004
as Self
2004
8.3
Heroes of Wrestling
as Greg "The Hammer" Valentine
1999
1.0
WCW World War 3 1997
as Greg "The Hammer" Valentine
1997
7.0
🎬
AWF Warriors of Wrestling
as Greg "The Hammer" Valentine
1995
0.0
WWE Royal Rumble 1994
as Greg "The Hammer" Valentine
1994
6.9
WWE Survivor Series 1993
as The Blue Knight
1993
6.5
Raw
as Greg "The Hammer" Valentine
1993
6.8
The Immortal Hulk Hogan
as Greg Valentine
1992
0.0
WCW Clash of The Champions XX: 20th Anniversary
as Greg "The Hammer" Valentine
1992
0.0
WCW Beach Blast
as Greg "The Hammer" Valentine
1992
0.0
WCW WrestleWar 1992
as Greg "The Hammer" Valentine
1992
0.0
WWE SuperTape: Volume 5
as Greg "The Hammer" Valentine
1992
0.0
WWE Royal Rumble 1992
as Greg "The Hammer" Valentine
1992
6.8
WWE Rampage '91
as Greg "The Hammer" Valentine
1991
0.0
WWE SummerSlam 1991
as Greg "The Hammer" Valentine
1991
7.7
WWE WrestleFest '91
as Greg "The Hammer" Valentine
1991
0.0
WWE U.K. Rampage 1991
as Greg "The Hammer" Valentine
1991
6.0
WWE Mega Matches
as Greg "The Hammer" Valentine
1991
0.0
WWE WrestleMania VII
as Greg "The Hammer" Valentine
1991
7.4
WWE Superstars & Stripes Forever: The March to WrestleMania VII
as Greg "The Hammer" Valentine
1991
0.0
WWE Funniest Moments
as Greg "The Hammer" Valentine
1991
0.0
WWE Royal Rumble 1991
as Greg "The Hammer" Valentine
1991
7.1
WWE Survivor Series 1990
as Greg "The Hammer" Valentine
1990
8.0
WWE Hottest Matches
as Greg "The Hammer" Valentine
1990
0.0
Battle of the WWE Superstars
as Greg Valentine
1990
0.0
WWE SuperTape: Volume 2
as Greg "The Hammer" Valentine
1990
0.0
WWF/AJPW/NJPW Wrestling Summit
1990
0.0
WWE The Ultimate Challenge Special: The March to WrestleMania VI
as Greg "The Hammer" Valentine
1990
0.0
Wrestling Superheroes
as Greg "The Hammer" Valentine
1990
0.0
WWE Royal Rumble 1990
as Greg "The Hammer" Valentine
1990
6.0
WWE Survivor Series 1989
as Greg "The Hammer" Valentine
1989
7.7
WWE SummerSlam 1989
as Greg Valentine
1989
6.6
Demolition: Witness the Power
as Greg "The Hammer" Valentine
1989
0.0
Fan Favorites
as Greg Valentine
1989
0.0
The Best of the WWF: volume 20
as Greg "The Hammer" Valentine
1989
0.0
The Ultimate Warrior
as Greg "The Hammer" Valentine
1989
0.0
🎬
WWE Wrestling at The Meadowlands: May '89
as Greg "The Hammer" Valentine
1989
0.0
🎬
WWE Maple Leaf Wrestling: April '89
as Greg "The Hammer" Valentine
1989
0.0
WWE WrestleMania V
as Greg "The Hammer" Valentine
1989
7.3
🎬
WWE Los Angeles Wrestling: January '89
as Greg "The Hammer" Valentine
1989
0.0
WWE Royal Rumble 1989
as Greg "The Hammer" Valentine
1989
5.1
🎬
WWE Los Angeles Wrestling: December '88
as Greg "The Hammer" Valentine
1988
0.0
WWE Survivor Series 1988
as Greg "The Hammer" Valentine
1988
8.2
Macho Madness
as Greg "The Hammer" Valentine
1988
0.0
🎬
WWE U.K. Rampage 1988
as Greg "The Hammer" Valentine
1988
0.0
🎬
WWE Wrestling at The Meadowlands: September '88
as Greg "The Hammer" Valentine
1988
0.0
The Best of the WWF: volume 16 Around the World
as Greg "The Hammer" Valentine
1988
0.0
🎬
WWE Maple Leaf Wrestling: July '88
as Greg "The Hammer" Valentine
1988
0.0
🎬
WWE Maple Leaf Wrestling: April '88
as Greg "The Hammer" Valentine
1988
0.0
WWE WrestleMania IV
as Greg "The Hammer" Valentine
1988
7.4
Clash of the Champions
as Greg "The Hammer" Valentine
1988
0.0
WrestleMania IV
as Greg 'The Hammer' Valentine
1988
0.0
Brutus "The Barber" Beefcake
as Greg "The Hammer" Valentine
1988
0.0
Wrestling's Most Embarrassing Moments
as Greg "The Hammer" Valentine
1987
10.0
The Best of the WWF: volume 14
as Greg "The Hammer" Valentine
1987
0.0
🎬
WWE Houston Wrestling: December '87
as Greg "The Hammer" Valentine
1987
0.0
WWE Survivor Series 1987
as Greg Valentine
1987
8.5
🎬
WWE Houston Wrestling: October '87
as Greg "The Hammer" Valentine
1987
0.0
🎬
WWE Maple Leaf Wrestling: June '87
as Greg "The Hammer" Valentine
1987
0.0
The Best of the WWF: volume 11
as Greg "The Hammer" Valentine
1987
0.0
WWE WrestleMania III
as Greg "The Hammer" Valentine
1987
7.3
WrestleMania III
as Greg 'The Hammer' Valentine
1987
8.3
The Best of the WWF: volume 10
as Greg "The Hammer" Valentine
1987
0.0
🎬
WWE Maple Leaf Wrestling: January '87
as Greg "The Hammer" Valentine
1987
0.0
🎬
WWE Wrestling at The Meadowlands: January '87
as Greg "The Hammer" Valentine
1987
0.0
Bob Uecker's Wacky World of Sports
as Greg "The Hammer" Valentine
1987
0.0
Inside the Steel Cage
as Greg "The Hammer" Valentine
1986
0.0
🎬
WWE Houston Wrestling: October '86
as Greg "The Hammer" Valentine
1986
0.0
The British Bulldogs
as Greg Valentine
1986
4.0
The Best of the WWF: volume 9
as Greg "The Hammer" Valentine
1986
0.0
WWF Wrestling Challenge
as Greg Valentine
1986
6.8
WWF Wrestling Challenge
as Greg "The Hammer" Valentine
1986
6.8
WWE The Big Event
as Greg "The Hammer" Valentine
1986
8.0
The Best of the WWF: volume 7
as Greg "The Hammer" Valentine
1986
0.0
Ricky "The Dragon" Steamboat
as Greg "The Hammer" Valentine
1986
10.0
WrestleMania II
as Greg "The Hammer" Valentine
1986
6.4
WrestleMania 2
as Greg 'The Hammer' Valentine
1986
8.7
WWE Grudge Match
as Greg "The Hammer" Valentine
1986
0.0
Tag Team Champions
as Greg Valentine
1986
0.0
The Best of the WWF: volume 5
as Greg "The Hammer" Valentine
1986
0.0
The WWF's Amazing Managers
as Greg 'The Hammer' Valentine
1985
0.0
🎬
WWE Maple Leaf Wrestling: October '85
as Greg "The Hammer" Valentine
1985
0.0
🎬
WWE Maple Leaf Wrestling: September '85
as Greg "The Hammer" Valentine
1985
0.0
The Best of the WWF: volume 4
as Greg "The Hammer" Valentine
1985
0.0
Saturday Night's Main Event
as Greg Valentine
1985
8.4
Saturday Night's Main Event
1985
8.4
Saturday Night's Main Event
as Greg "The Hammer" Valentine
1985
8.4
🎬
WWE Maple Leaf Wrestling: April '85
as Greg "The Hammer" Valentine
1985
0.0
WrestleMania
as Greg "The Hammer" Valentine
1985
6.6
Most Unusual Matches
as Greg "The Hammer" Valentine
1985
0.0
WWF Hulkamania 1
as Greg Valentine
1985
0.0
🎬
WWE Maple Leaf Wrestling: October '84
as Greg "The Hammer" Valentine
1984
0.0
🎬
WWE Maple Leaf Wrestling: September '84
as Greg "The Hammer" Valentine
1984
0.0
WWE The Brawl to End it All
as Greg "The Hammer" Valentine
1984
10.0
Tuesday Night Titans
as Greg "The Hammer" Valentine
1984
10.0
Tuesday Night Titans
as Greg Valentine
1984
10.0
NWA Boogie Jam
as Greg Valentine
1984
0.0
NWA Starrcade 1983
as Greg "The Hammer" Valentine
1983
6.8
WCW Arena Shows
as Greg Valentine
1983
0.0
🎬
NWA The Race to Starrcade
as Greg Valentine
1983
0.0
NWA The Final Conflict
as Greg Valentine
1983
0.0
🎬
NWA Sam Muchnick Retirement Show
as Greg Valentine
1982
0.0
Mid-Atlantic Championship Wrestling
as Greg Valentine
1981
0.0
WWF All-Star Wrestling
as Greg Valentine
1975
0.0
WWF All-Star Wrestling
as Greg 'The Hammer' Valentine
1975
0.0
WWE Old School
as Greg Valentine
1973
0.0
WWE Old School
as Greg "The Hammer" Valentine
1973
0.0
🎬
WWE Maple Leaf Wrestling: December '85
as Greg "The Hammer" Valentine
N/A
0.0