Original: Greg Welts (#3) Active: 1997–1998 Instruments: custom percussion, backing vocals Release contributions: Slipknot Demo (1998) After the departure of Colsefini, Greg Welts was recruited to fill the spot left on percussion and backing vocals.
Simplified: Chris Fehn (#3) Active: 1998–present Instruments: custom percussion, backing vocals Performed in: all Slipknot releases from Slipknot (1999) to present After Greg Welts left the band, Chris Fehn joined Slipknot as the new percussionist and backing vocalist.