Founded by percussionist Shawn Crahan and bassist Paul Gray (3) in 1995.
They changed a lot of members in their first couple of years and were originally known as "Pyg System" and "Meld". The name "Slipknot" was brought up by Jordison.
Slipknot are 9 members; after the death of Paul Gray (3) on May 24, 2010 and Jordison's departure shortly before the announcement of .5: The Gray Chapter, Alessandro Venturella and Jay Weinberg were brought in to fill in for the two, respectively.
Joey Jordison - drums (1995-2013)
Paul Gray (3) - bass guitar (1995-2010)
Donnie Steele - lead and rhythm guitars (1995–1996)
Anders Colsefni - vocals, custom percussion (1995–1997)
Greg "Cuddles" Welts - custom percussion (1997)
Josh "Gnar" Brainard - lead and rhythm guitars, backing vocals (1995–1998)
Brandon Darner - percussion (1998)
Kun Nong - guitar (1995)