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
Twitter: http://twitter.com/doublev89
Birth Name: Yong Jun Hyung
Stage Name: Junhyung
Birthday: December 19, 1989
Position: Main Rapper
Twitter: http://twitter.com/Joker891219
Birth Name: Yang Yo Seob
Stage Name: Yoseob
Birthday: January 5, 1990
Position: Main Vocalist
Twitter: http://twitter.com/helloimys
Birth Name: Lee Ki Kwang
Stage Name: Kikwang @ AJ
Birthday: March 30, 1990
Position: Lead Vocalist, Face of The Group
Twitter: http://twitter.com/B2stGK
Birth Name: Son Dong Woon
Stage Name: Dongwoon
Birthday: June 6, 1991
Position: Vocalist, Rapper, Maknae
Twitter: http://twitter.com/beastdw