Profile Member B1A4

 JINYOUNG

Real Name: Jung Jin Young (정진영)
Stage Name: Jinyoung
Position: Leader, Vocals, Lyrics Composer
Birthyear: November 18, 1991

Blood Type: A
Height and Weight: 178cm/59kg
Skills: Song writing, singing, acting
Twtter: @B1A4_JINYOUNG

  CNU

Name: Shin Dong Woo (신동우)
Stage Name: CNU
Position: Vocals, Rap
Blood Type: A
Birth Year: June 16,1991
Height & Weight: 182cm/64kg
Twitter: @B1A4_CNU

BARO

Name: Cha Sun Woo (차선우)
Stage Name: Baro
Position: Main Rapper
Blood Type: B
Height and Weight: 178cm/63kg
Birthyear: 05 September 1992
Twitter: @BARO920905

 SANDEUL

Real Name: Lee Jung Hwan (이정환)
Stage Name: Sandeul
Position: Main Vocal
Birthyear: March 20, 1992
Blood Type: A
Height and Weight: 178cm/62kg
Twitter: @SANDEUL920320

 GONGCHAN

Real Name: Gong Chan Shik (공찬식)

Stage Name: Gongchan

Position: Vocals, Maknae (Youngest)

Birthyear: August 14, 1993

Height Weight: 181cm/60kg

Blood Type: A

Twitter: @B1A4_gongchan

Source : http://jminhyunworld.blogspot.com/2012/02/b1a4-profile.html