Credit: Annamaria DiSanto/

Paul Gray, the bassist for metal band Slipknot, was found dead at an Iowa hotel on Monday, both TMZ and E! News report.

The rocker was 38 years old.

The Urbandale Police department told TMZ that a hotel employee discovered Gray's body early Monday.

Police found no evidence of foul play, but an investigation into Gray's death has begun. An autopsy is scheduled for Tuesday.

As a member of the Grammy-winning band (whose members rarely step out without their trademark masks), Gray often went by the monikers of "#2" and "The Pig." He was arrested in 2003 on suspicion of cocaine and marijuana, E! reports.