Choe Chan Yi is a South Korean singer, actor, model, dancer and former member of THE MAN BLK. Before debuting, he was a contestant on Mnet's "BOYS24" as a member of Unit Green.

He made his official debut in 2018 as the group's lead vocalist with their mini-album "Various Colors. That same year, he debuted as an actor with a role in the web drama "Govengers". In 2021, he announced he was leaving the group to focus on his acting.

He enlisted for his mandatory military service on August 2, 2022, and is expected to be discharged on February 1, 2024.