Ku Chang-mo (; born May 31, 1994), known mononymously as Changmo (창모; stylized in all caps), is a South Korean rapper and music producer. He released his debut album MOTOWN on March 18, 2016. In October 2016, he joined Dok2 and The Quiett's sub-label, Ambition Musik.
Changmo was accepted into Berklee College of Music twice, having applied once when he was 18, and once when he was 19. However, as he could not obtain a scholarship on both occasions, he chose not to attend.
Changmo enlisted in the army for his mandatory military enlistment on March 14, 2022, and was discharged on September 13, 2023.