Full Name: Yang Seungho
Date of Birth: October 16, 1987
Position: Leader, Lead Vocalist
Full Name: Jung Byunghee
Stage Name: G.O
Date of Birth: November 6, 1987
Position: Main Vocalist
Full Name: Lee Changsun
Stage Name: Joon
Date of Birth: February 7, 1988
Position: Vocalist, Main Dancer
Full Name: Park Sanghyun
Stage Name: Thunder
Date of Birth: October 7, 1990
Position: Rapper, Lead Dancer, Vocalist
Full Name: Bang Chulyong
Stage Name: Mir
Date of Birth: March 10, 1991
Position: Main Rapper
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