John Wisniski Jr.

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.

Actor

1982

[ ] NWA Sam Muchnick Retirement Show (Greg Valentine)

1983

[ ] NWA Starrcade 1983 (Greg "The Hammer" Valentine)
[ ] NWA The Final Conflict (Greg Valentine)
[ ] NWA The Race to Starrcade (Greg Valentine)

1984

[ ] WWE Maple Leaf Wrestling: September '84 (Greg "The Hammer" Valentine)
[ ] WWE Maple Leaf Wrestling: October '84 (Greg "The Hammer" Valentine)
[ ] WWE The Brawl to End it All (Greg "The Hammer" Valentine)
[ ] NWA Boogie Jam (Greg Valentine)

1985

[ ] WrestleMania (Greg "The Hammer" Valentine)
[ ] The Best of the WWF: volume 4 (Greg "The Hammer" Valentine)
[ ] Most Unusual Matches (Greg "The Hammer" Valentine)
[ ] WWF Hulkamania 1 (Greg Valentine)
[ ] WWE Maple Leaf Wrestling: April '85 (Greg "The Hammer" Valentine)
[ ] WWE Maple Leaf Wrestling: September '85 (Greg "The Hammer" Valentine)
[ ] WWE Maple Leaf Wrestling: October '85 (Greg "The Hammer" Valentine)
[ ] The WWF's Amazing Managers (Greg 'The Hammer' Valentine)

1986

[ ] WrestleMania II (Greg "The Hammer" Valentine)
[ ] The British Bulldogs (Greg Valentine)
[ ] Ricky "The Dragon" Steamboat (Greg "The Hammer" Valentine)
[ ] The Best of the WWF: volume 7 (Greg "The Hammer" Valentine)
[ ] The Best of the WWF: volume 5 (Greg "The Hammer" Valentine)
[ ] The Best of the WWF: volume 9 (Greg "The Hammer" Valentine)
[ ] WWE Houston Wrestling: October '86 (Greg "The Hammer" Valentine)
[ ] Tag Team Champions (Greg Valentine)
[ ] WWE The Big Event (Greg "The Hammer" Valentine)
[ ] WrestleMania 2 (Duplicated) (Greg 'The Hammer' Valentine)
[ ] Inside the Steel Cage (Greg "The Hammer" Valentine)
[ ] WWE Grudge Match (Greg "The Hammer" Valentine)

1987

[ ] WWE WrestleMania III (Greg "The Hammer" Valentine)
[ ] Bob Uecker's Wacky World of Sports (Greg "The Hammer" Valentine)
[ ] The Best of the WWF: volume 10 (Greg "The Hammer" Valentine)
[ ] The Best of the WWF: volume 11 (Greg "The Hammer" Valentine)
[ ] The Best of the WWF: volume 14 (Greg "The Hammer" Valentine)
[ ] WWE Houston Wrestling: October '87 (Greg "The Hammer" Valentine)
[ ] WWE Houston Wrestling: December '87 (Greg "The Hammer" Valentine)
[ ] WWE Maple Leaf Wrestling: January '87 (Greg "The Hammer" Valentine)
[ ] WWE Maple Leaf Wrestling: June '87 (Greg "The Hammer" Valentine)
[ ] WWE Wrestling at The Meadowlands: January '87 (Greg "The Hammer" Valentine)
[ ] WWE Survivor Series 1987 (Greg Valentine)
[ ] WrestleMania III (Duplicated) (Greg 'The Hammer' Valentine)
[ ] Wrestling's Most Embarrassing Moments (Greg "The Hammer" Valentine)

1988

[ ] WWE Survivor Series 1988 (Greg "The Hammer" Valentine)
[ ] The Best of the WWF: volume 16 Around the World (Greg "The Hammer" Valentine)
[ ] WWE U.K. Rampage 1988 (Greg "The Hammer" Valentine)
[ ] WWE Los Angeles Wrestling: December '88 (Greg "The Hammer" Valentine)
[ ] WWE Maple Leaf Wrestling: April '88 (Greg "The Hammer" Valentine)
[ ] WWE Maple Leaf Wrestling: July '88 (Greg "The Hammer" Valentine)
[ ] WWE Wrestling at The Meadowlands: September '88 (Greg "The Hammer" Valentine)
[ ] WWE WrestleMania IV (Greg "The Hammer" Valentine)
[ ] WrestleMania IV (Duplicated) (Greg 'The Hammer' Valentine)
[ ] Macho Madness (Greg "The Hammer" Valentine)
[ ] Brutus "The Barber" Beefcake (Greg "The Hammer" Valentine)

1989

[ ] WWE WrestleMania V (Greg "The Hammer" Valentine)
[ ] Demolition: Witness the Power (Greg "The Hammer" Valentine)
[ ] The Ultimate Warrior (Greg "The Hammer" Valentine)
[ ] Fan Favorites (Greg Valentine)
[ ] The Best of the WWF: volume 20 (Greg "The Hammer" Valentine)
[ ] WWE Maple Leaf Wrestling: April '89 (Greg "The Hammer" Valentine)
[ ] WWE Los Angeles Wrestling: January '89 (Greg "The Hammer" Valentine)
[ ] WWE Wrestling at The Meadowlands: May '89 (Greg "The Hammer" Valentine)
[ ] WWE Royal Rumble 1989 (Greg "The Hammer" Valentine)
[ ] WWE Survivor Series 1989 (Greg "The Hammer" Valentine)
[ ] WWE SummerSlam 1989 (Greg Valentine)

1990

[ ] Battle of the WWE Superstars (Greg Valentine)
[ ] WWE Hottest Matches (Greg "The Hammer" Valentine)
[ ] WWE SuperTape: Volume 2 (Greg "The Hammer" Valentine)
[ ] WWE Survivor Series 1990 (Greg "The Hammer" Valentine)
[ ] WWF/AJPW/NJPW Wrestling Summit (????)
[ ] WWE The Ultimate Challenge Special: The March to WrestleMania VI (Greg "The Hammer" Valentine)
[ ] WWE Royal Rumble 1990 (Greg "The Hammer" Valentine)
[ ] Wrestling Superheroes (Greg "The Hammer" Valentine)

1991

[ ] WWE WrestleFest '91 (Greg "The Hammer" Valentine)
[ ] WWE Mega Matches (Greg "The Hammer" Valentine)
[ ] WWE Rampage '91 (Greg "The Hammer" Valentine)
[ ] WWE WrestleMania VII (Greg "The Hammer" Valentine)
[ ] WWE Royal Rumble 1991 (Greg "The Hammer" Valentine)
[ ] WWE SummerSlam 1991 (Greg "The Hammer" Valentine)
[ ] WWE Superstars & Stripes Forever: The March to WrestleMania VII (Greg "The Hammer" Valentine)
[ ] WWE U.K. Rampage 1991 (Greg "The Hammer" Valentine)
[ ] WWE Funniest Moments (Greg "The Hammer" Valentine)

1992

[ ] WWE SuperTape: Volume 5 (Greg "The Hammer" Valentine)
[ ] WCW Beach Blast (Greg "The Hammer" Valentine)
[ ] WCW Clash of The Champions XX: 20th Anniversary (Greg "The Hammer" Valentine)
[ ] WWE Royal Rumble 1992 (Greg "The Hammer" Valentine)
[ ] WCW WrestleWar 1992 (Greg "The Hammer" Valentine)
[ ] The Immortal Hulk Hogan (Greg Valentine)

1993

[ ] WWE Survivor Series 1993 (The Blue Knight)

1994

[ ] WWE Royal Rumble 1994 (Greg "The Hammer" Valentine)

1997

[ ] WCW World War 3 1997 (Greg "The Hammer" Valentine)

1999

[ ] Heroes of Wrestling (Greg "The Hammer" Valentine)

2016

[ ] WWE: The U.S. Championship: A Legacy of Greatness (Greg 'The Hammer' Valentine (archive footage))

2019

[ ] 350 Days (Self)

2020

[ ] Chris Jericho's 30th Anniversary Celebration (Greg "The Hammer" Valentine)

2025

[ ] Midnight Massacre (Caepio)

????

[ ] WWE Maple Leaf Wrestling: December '85 (Greg "The Hammer" Valentine)