한 Choi Changwoo Choi Changwoo (최창우) was a South Korean Male Artist. He started in group 3rd Line Butterfly. He retired in 2006. Read All General Information International Stage Name : Choi Changwoo Domestic Stage Name : Pronounce 최창우 Full Name : Choi Changwoo Pronounce Country of Birth : South Korea Related Artists : 3rd Line Butterfly - Instrumental Artist retired : 2006 Original group : 3rd Line Butterfly (No longer a member) Images No images yet