Hyun Jin-young

Heo Hyeon-seok (Korean: 허현석; born February 3, 1971), better known by his stage name Hyun Jin-young (현진영), is a South Korean singer and dancer. He is best known for his role in introducing hip-hop music to South Korea. Hyun is known as the first artist to be signed to SM Entertainment, then operating as S.M. Studio, in 1989. In 1995, his contract was completed and he left SM. source: https://en.wikipedia.org/wiki/Hyun_Jin-young