B1A4 (Korean: 비원에이포) is a five member South Korean boy band founded by WM Entertainment in 2011. The band consists of Jinyoung (leader), Baro, Gongchan, Sandeul, and CNU (Shin Woo). They have gained much interest due to being first introduced in a webtoon and for their unique sound mixing pop with rock for their debut album. 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".It is said that their fans are called 'AB', also a blood type, but stands for 'Always Beside' B1A4.
- Jinyoung - Leader, Lead Vocalist
- Real Name: Jung Jin Young (정진영)
- Born in: 1991.11.18
- Blood type: A
- CNU (신우) - Vocalist
- Real Name: Shin Dong Woo (신동우)
- Born in: 1991.06.16
- Blood type: A
- Sandeul(산들) - Main Vocalist
- Real Name: Lee Jung Hwan (이정환)
- Born in: 1992.03.20
- Blood type: A
- Baro(바로) - Main Rapper
- Real Name: Cha Sun Woo (차선우)
- Born in: 1992.09.05
- Blood type:
- Gongchan(공찬) - Vocalist
- Real Name: Gong Chan Shik (공찬식)
- Born in: 1993.08.14
- Blood type: A
- OK:
- credit:en.wikipedia.org
