Lee Soo-man
He has been involved with music since he was a child. While growing up in Gijichon (기지촌, "Village near U.S. Army Base"), he was introduced to African-American music by his American friends. From then on, he learn how to sing, dance and rap easily from his American friends throughout his childhood. When he dropped out of high school, he decided to become a hip-hop musician. He eventually met Lee Soo-man, and Hyun passed Lee's audition since he was able to pull of the "Toggichum" (토끼춤, "The Roger Rabbit"). He then began training under Lee-soo Man's supervision to prepare for his debut.