Kim Nam-joon (김남준) also known as RM ( formerly Rap Monster) is a South Korean rapper, songwriter, and record producer. He is the leader and main rapper of BTS 방탄소년단. Born on September 12, 1994 in Ilsan, South Korea. Active during his pre-debut days as an underground rapper ( Runch Randa ). With his 13 years old Nam-joon were already a prodigy in rap, impressing even older underground rappers. He made a collab with the famous rapper Zico where can be found on SoundCloud. Read more on Last.fm