South Korean rapper, singer, songwriter, record producer and dancer. He debuted in the South Korean boy band IKon under YG Entertainment in September 2015. On June 12, 2019, he departed from the group due to drug allegations. During his time with the group, he played a significant role in the production and songwriting of their music, and is credited as the sole record producer for all of the group's releases. His contributions to iKon's second studio album, Return, for the lead single "Love Scenario", earned him the prestigious "Songwriter of the Year" award at the 2018 Melon Music Awards