RM (아르엠), formerly Rap Monster (랩몬스터) Kim Nam Joon (김남준) Leader, Main Rapper September 12, 1994 Kim Nam-Joon (김남준), better known by his stage name RM (short for Real Me, formerly known as Rap Monster (랩몬스터) and Runch Randa), is a South Korean rapper-songwriter and record producer under Big Hit Music. He is the leader and a rapper of BTS, also he is... Continue Reading →