The Austin Powers villain who was serving a life sentence for torturing and raping a woman, is suspected of murdering his prison cellmate on Monday, RadarOnline.com has learned.

South Korean actor Joe Son was jailed for participating in a horrific gang-rape attack in 1990 and was sentenced to life last month.

The retired mixed martial arts fighter, who played Dr. Evil henchman Random Task, is now being investigated in the death of a fellow inmate at the Wasco State Prison-Reception Center in Kern County, California.