Jean Graffio played drums with Chicago's psychedelic-themed black metal act Nachtmystium until he departed in May 2007.



Session drummers Zack Simmons from Goatwhore and Tony Laureano of Nile, Angel Corpse, and Dimmu Borgir fame filled in.



Jean Graffio returned as stand-in drummer in September 2007, replacing Duane Timlin.



Graffio is also known as sticksman with Sumeria, and Demas.