Shin Hae-chul was a South Korean singer-songwriter and record producer known for being a pioneer of Korean experimental rock music. He was referred to by fans as the "Demon Lord" or "The Devil" for his charismatic stage presence.
Shin and his band Muhangwedo debuted at the 1988 MBC Campus Music Festival, where the band won first place for the song "To You." He formed the experimental rock band N.EX.T in 1992. He was also known for hosting a radio show from 2001 to 2012.
Shin died as a result of medical malpractice after undergoing surgery in 2014.