Shifty Shellshock, the lead singer of Crazy Town known for the hit song "Butterfly," has passed away at the age of 49. The exact cause of his death has not been revealed. Shellshock, born Seth Binzer, formed Crazy Town with Bret Mazur in 1992, releasing their popular debut album "The Gift of Game" in 1999. Their song "Butterfly" reached No. 1 on the Billboard Hot 100 chart, making it their biggest hit. After the band's breakup following their second album in 2002, Shellshock pursued a solo career and struggled with addiction, appearing on reality shows like "Celebrity Rehab." He leaves behind three children. Shellshock's unique style and contributions to the rap rock genre will be remembered by fans and peers in the music industry.