|Quick Profile STATS|
|Name||Lee Chang Sub|
|Birthdate||February 26, 1991|
|Age: 31 years, 2 month, and 22 days (as of today)|
|Birthplace||Suwon, South Korea|
|Sex & Identity|
K-pop singer and member of the seven piece group BtoB, otherwise known as Born to Beat. The group debut in March 2012 on the series M! Countdown.
BtoB was formed by Cube Entertainment. It's debut on M! Countdown was streamed live via their YouTube channel.
BtoB has spawned numerous reality shows titled BtoB's Diary, BtoB's Cool Men, and The Beat.
He has posted photos of his mother on his Instagram account.