Birth Name: Yoon Doo Joon

Stage Name: Dujun

Birthday: July 4, 1989

Position: Leader, Sub-Rapper & Vocalist

Twitter: http://twitter.com/BeeeestDJ

Birth Name: Jang Hyun Seung

Stage Name: Hyunseung @ JS

Birthday: September 3, 1989

Position: Lead Vocalist

Birth Name: Yang Yo Seob

Stage Name: Yoseob

Birthday: January 5, 1990

Position: Main Vocalist