John Wisniski Jr.

Acting

The MovieWise Take

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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

Raw

Greg "The Hammer" Valentine

Undertaker: The Last Ride

Greg Valentine (archive footage)

All Elite Wrestling: Dynamite

Greg Valentine

WrestleMania

Greg "The Hammer" Valentine

Saturday Night's Main Event

Greg Valentine

Saturday Night's Main Event

Self

Saturday Night's Main Event

Greg "The Hammer" Valentine

WWE WrestleMania III

Greg "The Hammer" Valentine

Full Filmography

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

Quick Facts

John Wisniski Jr.

The MovieWise Take

Biography

Known For

Full Filmography

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