November 16, 1995
|Associated acts||Teen Top|
|Revised Romanization||Choe Jong-hyeon|
On July 10, 2010, Changjo made his debut as a member of Teen Top with their debut album Come into the World on MBC's Show! Music Core with the title track of the album "Clap". As of their debut, Teen Top has released one studio album, seven EPs and four single albums.
|2015||Mak Girls||Choi Kang-ho||Lead role|
|2014–2015||Sweden Laundry||Yong Soo-chul||MBC Every 1||Main role|
|2017||My Brother Disappeared||Kong Jung-ki||Naver TV Cast||Main role|