Lee Changsub 이창섭 is the lead vocal of BtoB.
Changsub was born on Tuesday, February 26, 1991.
He was born in the Chinese Year of the Ram. He’s a Pisces, like fellow members Hyunsik and Peniel. He and Hyunsik are both 177 cm or 5'9½" tall. His blood type is O.
He studied applied music at Howon University, where Hyunsik also went. He’s from Suwon, Gyeonggi-do.
He plays the piano and drums. He’s in the sub-unit BtoB Blue.