*Phil Anselmo (Pantera / Down / Superjoint Ritual)
*Charlie Clouser (Nine Inch Nails)
*[[Josh Freese]] (A Perfect Circle / The Vandals / Nine Inch Nails / Guns N' Roses / Black Light Burns )
*Toni Halliday (Curve)
*Page Hamilton (Helmet)
*Maynard James Keenan (Tool / A Perfect Circle/ Puscifer) *Danny Lohner (Nine Inch Nails / A Perfect Circle/ Black Light Burns)
*Alan Moulder (producer, Nine Inch Nails / Smashing Pumpkins)
*Trent Reznor (Nine Inch Nails)
*Atticus Ross (12 Rounds / Error)
*Tommy Victor (Prong / Danzig)
==Relationship to Puscifer and A Perfect Circle==