B1A4

Their group name, B1A4, has been explained as being due to one member having B blood type, and the other four having A blood type. It also stands for "Be The One, All For One".^[2]^[3] B1A4 have been dubbed "countryside-dols" by Korean media, because all the members originate from the Korean countryside.^[4] Jinyoung is from Chungju, Chungcheongbuk-do and CNU is from Cheongju,Chungcheongbuk-do; Sandeul is from Busan, Baro is from Kwangju, Jeollanam-do; Gongchan is from Suncheon, Jeollanam-do.^[4]

B1A4 Members Biography :

Real Name: Jung Jin Young (정진영)
Position: Vocals, Leader
Birthyear: 18 November 1991
Height: 178cm
Weight: 59kg
Skills: Song writing, singing, acting

Name: Shin Dong Woo (신동우)
Position: Vocals, Rap
Blood Type: A
Birthday: 16 June 1991
Height: 182cm
Weight: 64kg

Name: Cha Sun Woo (차선우)
Position: Rapper
Blood Type: B
Birthyear: 05 September 1992

SANDEUL
Real Name: Lee Jung Hwan (이정환)
Position: Main Vocal
Birthyear: 20 March 1992
Blood Type: A
Height: 178cm
Weight: 62kg

Real Name: Gong Chan Shik (공찬식)
Position: Vocals, Maknae (Youngest)
Birthday: 14 August 1993
Blood Type: A
Height: 181cm
Weight: 60kg

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