B1A4

Members: 5
Debut: 22 June 2011
Entertainment: WM Entertainment
MV: Baby good night - Baby I'm sorry - Beautiful target - O.K. - Only learned bad things - Tried to walk - What's happening
PV: Baby good night - Beautiful  target - What's happening

JINYOUNG

Stagename: Jinyoung
Name: Jung Jin-Young
Date of birth: 18 November 1991
Nationality: korean
Bloodtype: A
Height: 178 cm
Position: leader, lead vocalist

CNU

Stagename: CNU
Name: Shin Dong-Woo
Date of birth: 16 June 1991
Nationality: korean
Bloodtype: A
Height: 182 cm
Position: vocalist, rapper

SANDEUL

Stagename: Sandeul
Name: Lee Jung-Hwan
Date of birth: 20 March 1992
Nationality: korean
Bloodtype: A
Height: 178 cm
Position: main vocalist

BARO

Stagename: Baro
Name: Cha Sun-Woo
Date of birth: 5 September 1992
Nationality: korean
Bloodtype: B
Height: 178 cm
Position: main rapper

GONGCHAN

Stagename: Gongchan
Name: Gong Chan-Shik
Date of birth: 14 August 1993
Nationality: korean
Bloodtype: A
Height: 181 cm
Position: maknae, vocalist, face of the group