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.
Known For(99 works)
Raw
1993Raw
1993
All Elite Wrestling: Dynamite
2019All Elite Wrestling: Dynamite
2019
WWE Saturday Night's Main Event
1985WWE Saturday Night's Main Event
1985
WWE Saturday Night's Main Event
1985WWE Saturday Night's Main Event
1985
WWE Saturday Night's Main Event
1985WWE Saturday Night's Main Event
1985
WWF Wrestling Challenge
1986WWF Wrestling Challenge
1986
WWF Wrestling Challenge
1986WWF Wrestling Challenge
1986
WWF Superstars
1986WWF Superstars
1986
WWE Pay Per View
1985WWE Pay Per View
1985
Biography: WWE Legends
2021Biography: WWE Legends
2021
WWE Old School
1973WWE Old School
1973
WWE Old School
1973WWE Old School
1973
WWF All-Star Wrestling
1975WWF All-Star Wrestling
1975
WWF All-Star Wrestling
1975WWF All-Star Wrestling
1975
Clash of the Champions
1988Clash of the Champions
1988
WWE's Most Wanted Treasures
2021WWE's Most Wanted Treasures
2021
Mid-Atlantic Championship Wrestling
1981Mid-Atlantic Championship Wrestling
1981
Undertaker: The Last Ride
2020Undertaker: The Last Ride
2020
Tuesday Night Titans
1984Tuesday Night Titans
1984
Tuesday Night Titans
1984Tuesday Night Titans
1984
WrestleMania II
1986WrestleMania II
1986
WWE SummerSlam 1991
1991WWE SummerSlam 1991
1991
Chris Jericho's 30th Anniversary Celebration
2020Chris Jericho's 30th Anniversary Celebration
2020
WWE WrestleMania V
1989WWE WrestleMania V
1989
WWE WrestleMania III
1987WWE WrestleMania III
1987
WCW Arena Shows
1983WCW Arena Shows
1983
WWE: The U.S. Championship: A Legacy of Greatness
2016WWE: The U.S. Championship: A Legacy of Greatness
2016
WCW Beach Blast
1992WCW Beach Blast
1992
The Greatest Wrestling Stars of the '80s
2005The Greatest Wrestling Stars of the '80s
2005
WrestleMania
1985WrestleMania
1985
WWE WrestleMania VII
1991WWE WrestleMania VII
1991
WWE: The History Of The Intercontinental Championship
2008WWE: The History Of The Intercontinental Championship
2008
WWE Rampage '91
1991WWE Rampage '91
1991
Midnight Massacre
2025Midnight Massacre
2025
WWE Survivor Series 1989
1989WWE Survivor Series 1989
1989
WWE Survivor Series 1988
1988WWE Survivor Series 1988
1988
WWE Royal Rumble 1991
1991WWE Royal Rumble 1991
1991
WWE: The History Of The WWE Championship
2006WWE: The History Of The WWE Championship
2006
WWE SummerSlam 1989
1989WWE SummerSlam 1989
1989
WWE Survivor Series 1990
1990WWE Survivor Series 1990
1990
WWE WrestleFest '91
1991WWE WrestleFest '91
1991
WCW World War 3 1997
1997WCW World War 3 1997
1997
WWE Royal Rumble 1994
1994WWE Royal Rumble 1994
1994
WCW WrestleWar 1992
1992WCW WrestleWar 1992
1992
WWE Royal Rumble 1990
1990WWE Royal Rumble 1990
1990
WWE Survivor Series 1987
1987WWE Survivor Series 1987
1987
NWA Starrcade 1983
1983NWA Starrcade 1983
1983
WWE Royal Rumble 1989
1989WWE Royal Rumble 1989
1989
WWE: Starrcade - The Essential Collection
2012WWE: Starrcade - The Essential Collection
2012
WWE WrestleMania IV
1988WWE WrestleMania IV
1988
The Best of the WWF: volume 5
1986The Best of the WWF: volume 5
1986
The Best of the WWF: volume 20
1989The Best of the WWF: volume 20
1989
The British Bulldogs
1986The British Bulldogs
1986
WWE Survivor Series 1993
1993WWE Survivor Series 1993
1993
WWF/AJPW/NJPW Wrestling Summit
1990WWF/AJPW/NJPW Wrestling Summit
1990
The Best of the WWF: volume 4
1985The Best of the WWF: volume 4
1985
Wrestling's Most Embarrassing Moments
1987Wrestling's Most Embarrassing Moments
1987
WWE The Brawl to End it All
1984WWE The Brawl to End it All
1984
WCW Clash of The Champions XX: 20th Anniversary
1992WCW Clash of The Champions XX: 20th Anniversary
1992
WWE Hall of Fame 2004
2004WWE Hall of Fame 2004
2004
WWE Hottest Matches
1990WWE Hottest Matches
1990
Heroes of Wrestling
1999Heroes of Wrestling
1999
Brutus "The Barber" Beefcake
1988Brutus "The Barber" Beefcake
1988
WWE SuperTape: Volume 5
1992WWE SuperTape: Volume 5
1992
Bob Uecker's Wacky World of Sports
1987Bob Uecker's Wacky World of Sports
1987
The Best of the WWF: volume 7
1986The Best of the WWF: volume 7
1986
Ricky "The Dragon" Steamboat
1986Ricky "The Dragon" Steamboat
1986
Most Unusual Matches
1985Most Unusual Matches
1985
350 Days
2019350 Days
2019
WWE The Ultimate Challenge Special: The March to WrestleMania VI
1990WWE The Ultimate Challenge Special: The March to WrestleMania VI
1990
WWE Mega Matches
1991WWE Mega Matches
1991
WWE Royal Rumble 1992
1992WWE Royal Rumble 1992
1992
The Best of the WWF: volume 16 Around the World
1988The Best of the WWF: volume 16 Around the World
1988
NWA Boogie Jam
1984NWA Boogie Jam
1984
WWE Grudge Match
1986WWE Grudge Match
1986
The Best of the WWF: volume 9
1986The Best of the WWF: volume 9
1986
The Ultimate Warrior
1989The Ultimate Warrior
1989
WWE The Big Event
1986WWE The Big Event
1986
WWE Funniest Moments
1991WWE Funniest Moments
1991
The WWF's Amazing Managers
1985The WWF's Amazing Managers
1985
Demolition: Witness the Power
1989Demolition: Witness the Power
1989
WWE Superstars & Stripes Forever: The March to WrestleMania VII
1991WWE Superstars & Stripes Forever: The March to WrestleMania VII
1991
Inside the Steel Cage
1986Inside the Steel Cage
1986
The Best of the WWF: volume 10
1987The Best of the WWF: volume 10
1987
WWE SuperTape: Volume 2
1990WWE SuperTape: Volume 2
1990
The Best of the WWF: volume 11
1987The Best of the WWF: volume 11
1987
WWE U.K. Rampage 1991
1991WWE U.K. Rampage 1991
1991
Wrestling Superheroes
1990Wrestling Superheroes
1990
The Best of the WWF: volume 14
1987The Best of the WWF: volume 14
1987
Macho Madness
1988Macho Madness
1988
Battle of the WWE Superstars
1990Battle of the WWE Superstars
1990
At What Cost? Anatomy of Professional Wrestling
2015At What Cost? Anatomy of Professional Wrestling
2015
NWA The Final Conflict
1983NWA The Final Conflict
1983
Tag Team Champions
1986Tag Team Champions
1986
Fan Favorites
1989Fan Favorites
1989
Timeline: The History of WWE – 1985 – As Told By Greg Valentine
2011Timeline: The History of WWE – 1985 – As Told By Greg Valentine
2011
The Immortal Hulk Hogan
1992The Immortal Hulk Hogan
1992
Behind the Ropes: The Greatest Fraternity in the World
2015Behind the Ropes: The Greatest Fraternity in the World
2015
WWF Hulkamania 1
1985WWF Hulkamania 1
1985