Singer Shifty Shellshock from the rap rock band Crazy Town had died at age 49.

He sang the L.A. band's 2000 hit song "Butterfly." The song from their debut album hit number one on the Billboard Hot 100 chart.

Shellshock, whose real name was Seth Binzer, battled with drug addiction for much of his life.

He appeared on the VH1 reality TV series Celebrity Rehab and Sober House over the years.

The Los Angeles County Medical Examiner announced that Binzer was found dead in his home on Monday. His cause of death was not known.

Shellshock is survived by three children, Halo, Gage and Phoenix, Variety reported.