John Wisniski Jr.
Personal Info
Known For
Acting
Gender
Male
Birthday
1951-09-20
Place of Birth
Seattle, Washington, USA
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.
Also Known For
WrestleMania
Mar 31, 1985
WrestleMania II
Apr 07, 1986
WWE WrestleMania V
Apr 02, 1989
WWE WrestleMania III
Mar 29, 1987
Battle of the WWE Superstars
Aug 23, 1990
WWE WrestleFest '91
Jul 25, 1991
The British Bulldogs
Oct 15, 1986
WWE Hottest Matches
Oct 25, 1990
WWE SuperTape: Volume 2
Jul 25, 1990
WWE SuperTape: Volume 5
Feb 27, 1992
Demolition: Witness the Power
Aug 09, 1989
WWE Mega Matches
Mar 28, 1991
WWE Rampage '91
Oct 24, 1991
The Ultimate Warrior
Jun 28, 1989
Ricky "The Dragon" Steamboat
May 02, 1986
WWE WrestleMania VII
Mar 24, 1991
WWE Royal Rumble 1991
Jan 19, 1991
WWE SummerSlam 1991
Aug 26, 1991
WWE Survivor Series 1993
Nov 24, 1993
WWE Survivor Series 1990
Nov 22, 1990
WWE Survivor Series 1988
Nov 24, 1988
NWA Starrcade 1983
Nov 24, 1983
Midnight Massacre
Oct 25, 2025
WCW Beach Blast
Jun 20, 1992
WCW World War 3 1997
Nov 23, 1997
Bob Uecker's Wacky World of Sports
Jan 01, 1987
Behind the Ropes: The Greatest Fraternity in the World
Dec 31, 2015
Fan Favorites
Aug 09, 1989
At What Cost? Anatomy of Professional Wrestling
Apr 25, 2015
The Best of the WWF: volume 4
Sep 01, 1985
The Best of the WWF: volume 5
Jan 01, 1986
The Best of the WWF: volume 7
Jun 06, 1986
The Best of the WWF: volume 9
Oct 15, 1986
The Best of the WWF: volume 10
Mar 01, 1987
The Best of the WWF: volume 11
Jun 24, 1987
The Best of the WWF: volume 14
Dec 15, 1987
The Best of the WWF: volume 16 Around the World
Jul 27, 1988
The Best of the WWF: volume 20
Aug 09, 1989
Most Unusual Matches
Jan 01, 1985
WWF Hulkamania 1
Jan 01, 1985
World Wrestling Legends: 6:05 - The Reunion
Apr 29, 2005
Timeline: The History of WWE – 1985 – As Told By Greg Valentine
Jun 01, 2011
WWE: The U.S. Championship: A Legacy of Greatness
Apr 26, 2016
JCW Legends and Icons
Dec 08, 2011
WWE Maple Leaf Wrestling: April '89
Apr 23, 1989
WWE U.K. Rampage 1988
Oct 07, 1988
WWE Houston Wrestling: October '86
Oct 19, 1986
WWE Houston Wrestling: October '87
Oct 09, 1987
WWE Houston Wrestling: December '87
Dec 11, 1987
WWE Los Angeles Wrestling: January '89
Jan 29, 1989
WWE Los Angeles Wrestling: December '88
Dec 17, 1988
WWE Maple Leaf Wrestling: September '84
Sep 23, 1984
WWE Maple Leaf Wrestling: October '84
Oct 21, 1984
WWE Maple Leaf Wrestling: April '85
Apr 21, 1985
WWE Maple Leaf Wrestling: September '85
Sep 22, 1985
WWE Maple Leaf Wrestling: October '85
Oct 13, 1985
WWE Maple Leaf Wrestling: December '85
WWE Maple Leaf Wrestling: January '87
Jan 11, 1987
WWE Maple Leaf Wrestling: June '87
Jun 28, 1987
WWE Maple Leaf Wrestling: April '88
Apr 24, 1988
WWE Wrestling at The Meadowlands: January '87
Jan 05, 1987
WWE Maple Leaf Wrestling: July '88
Jul 24, 1988
WWE Wrestling at The Meadowlands: September '88
Sep 11, 1988
WWE Wrestling at The Meadowlands: May '89
May 08, 1989
WWE: The History Of The WWE Championship
Sep 05, 2006
WWE Hall of Fame 2004
Mar 12, 2004
WWF/AJPW/NJPW Wrestling Summit
Apr 13, 1990
WWE: 150 Best Pay-Per-View Matches, Vol 1
Mar 11, 2014
WWE: The History Of The Intercontinental Championship
Nov 25, 2008
WWE: Starrcade - The Essential Collection
Jan 03, 2012
NWA The Final Conflict
Mar 12, 1983
350 Days
Apr 02, 2019
Tag Team Champions
Mar 01, 1986
WWE WrestleMania IV
Mar 27, 1988
WCW Clash of The Champions XX: 20th Anniversary
Sep 02, 1992
Heroes of Wrestling
Oct 10, 1999
WWE Royal Rumble 1989
Jan 15, 1989
WWE Survivor Series 1989
Nov 23, 1989
NWA Sam Muchnick Retirement Show
Jan 01, 1982
NWA The Race to Starrcade
Sep 07, 1983
NWA Boogie Jam
Mar 17, 1984
WWE The Brawl to End it All
Jul 23, 1984
WWE The Ultimate Challenge Special: The March to WrestleMania VI
Mar 25, 1990
WWE The Big Event
Aug 28, 1986
WWE Survivor Series 1987
Nov 26, 1987
WWE U.K. Rampage 1991
Apr 21, 1991
WWE Superstars & Stripes Forever: The March to WrestleMania VII
Mar 17, 1991
WWE Royal Rumble 1992
Jan 19, 1992
WWE Royal Rumble 1994
Jan 22, 1994
WCW WrestleWar 1992
May 17, 1992
WWE Royal Rumble 1990
Jan 21, 1990
WWE SummerSlam 1989
Aug 28, 1989
Chris Jericho's 30th Anniversary Celebration
Oct 07, 2020
The Immortal Hulk Hogan
Nov 05, 1992
WrestleMania 2 (Duplicated)
Apr 07, 1986
WrestleMania III (Duplicated)
Mar 29, 1987
WrestleMania IV (Duplicated)
Mar 27, 1988
The WWF's Amazing Managers
Dec 31, 1985
Macho Madness
Oct 19, 1988
Brutus "The Barber" Beefcake
Mar 03, 1988
Inside the Steel Cage
Dec 11, 1986
Wrestling Superheroes
Mar 21, 1990
Wrestling's Most Embarrassing Moments
Dec 15, 1987
WWE Funniest Moments
Feb 27, 1991
The Greatest Stars of the 80's
Jun 14, 2005
WWE Grudge Match
Mar 27, 1986
Biography: WWE Legends
Apr 18, 2021
AWF Warriors of Wrestling
Mar 06, 1995
WWE's Most Wanted Treasures
Apr 18, 2021
Raw
Jan 11, 1993
WWF Wrestling Challenge
Sep 06, 1986
All Elite Wrestling: Dynamite
Oct 02, 2019
Saturday Night's Main Event
May 11, 1985
Saturday Night's Main Event
May 11, 1985
WWF Wrestling Challenge
Sep 06, 1986
Undertaker: The Last Ride
May 10, 2020
WWF All-Star Wrestling
Sep 13, 1975
WWF All-Star Wrestling
Sep 13, 1975
WWE Old School
Jun 30, 1973
WWE Old School
Jun 30, 1973
Saturday Night's Main Event
May 11, 1985
Tuesday Night Titans
May 29, 1984
Tuesday Night Titans
May 29, 1984
Mid-Atlantic Championship Wrestling
Sep 12, 1981
WCW Arena Shows
Oct 23, 1983
