Lee Chang-sub, is a South Korean singer and musical actor. He debuted as the lead vocalist of the South Korean boy group BtoB in March 2012. He debuted as a soloist in 2017, with the release of his debut single "At the End". The same year he made his theatre debut in the Korean musical adaptation of Boys Over Flowers as Goo Jun-pyo. He has also come to be known for his soundtrack collaborations, most prominently with the release of his cover of Can's "Heavenly Fate" in 2024. In 2023, he founded Chang-Ggo Training Centre vocal academy in Suwon.
