B1A4 ( One Blood Type B, Four Blood Type A/ Be the One, All for One)
Name : Jung Jin Young
Birthdate : 10 November 1991
Height/Weight : 178 cm / 58 kg
Position : Leader & Vocalist
Blood type : A
Name : Cha Sun Woo
Stage Name: Baro
Birthdate : 5 September 1992
Height/Weight : 176 cm / 63 kg
Position : Rapper
Blood type : B
Name : Shin Dong Woo
Stage Name: Cnu
Birthdate: 16 June 1991
Height/weight :182 cm /64 kg
Position : Vocal & Rapper
Blood type : A
Name : Lee Jung Hwan
Stage Name: Sandeul
Birthdate : 20 March 1992
Height/Weight : 178 cm/62 kg
Position : Main Vocalist
Blood type : A
Name : Gong Chan Shik
Stage Name: Gongchan
Birthdate : 14 August 1993
Height/Weight : 181 cm / 60 kg
Position :Maknae & Vocalist
Blood type : A