Slipknot was formed in Iowa prior to 1993 .
Formed in Des Moines , Iowa in 1992 , Slipknot originally featured vocalist and percussionist Anders Colsefni , guitarists Donnie Steele and Josh `` Gnar '' Brainard , bassist Paul Gray , drummer Joey Jordison , and percussionist and backing vocalist Shawn `` Clown '' Crahan .
Slipknot discography