Ku Chang-mo (구창모; born May 31, 1994 in Jeongseon, Gangwon, South Korea), better known by the mononym Changmo (stylised in all caps), is a South Korean rapper and producer. He released his debut album M O T O W N on March 18, 2016. In October 2016 he joined Dok2 and The Quiett's sub-label, Ambition Musik.