John Wisniski Jr.

Personal Info

Known For

Acting

Born

1951-09-20

Place of Birth

Seattle, Washington, USA
IMDb

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.

Acting History

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