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Lee Chang-min, popularly known as E-Chan, is a South Korean singer under Brave Entertainment. He made his official debut in 2019 as the main rapper and one of the leaders of the boy group DKB. E-Chan was a contestant on the survival show BOYS24. He was in Unit Blue, however, he was eliminated. He was introduced as a member of DKB on October 28, 2019. He officially made his debut with the group on February 3, 2020, with the mini album Youth. On June 11, 2026 Brave Entertainment announced that E-Chan would be enlisting on June 23, 2026 starting with basic training and then going into Active Duty