Part 1 : Bad Girl

Artist: B2ST (BOYS 2 search the top)
Song: Bad Girl
Album: Beast is B2ST

Members:

AJ

Real Name: Lee Ki Kwang
DOB: March 30, 1990
Birth place: Seoul
Blood Type: A
Height: 174 cm
Weight: 58 kg
Hobbies: Dancing, movies
Trainee Years: 4 years under JYPE
Favorite Singers: Taeyang, Omarion, Usher
Originally debuted as solo artist. Will be changing his stage name soon.

Yoon Doo Joon


DOB: July 4, 1989
Height: 180 cm
Weight: 67 kg
Specialty: Vocals
Enjoys hip hop and R&B
First appeared on Mnet's Hot Blood documentary as one of the candidates for JYPE group One Day. Currently one of the rappers for AJ?s Wiping the Tears.

Poppin' Dragon

Real Name: Yong Jun Hyung
Stage Name under Xing: Poppin' Dragon
DOB: December 19, 1989
Interests: Dance
First debuted with group Xing. Also rapped for AJ?s Wiping the Tears.

So-1

Real Name: Jang Hyun Seung
Stage Name: So-1
DOB: September 3, 1989
Eliminated from YG group Big Bang in the ninth episode of their documentary.

Yang Yo Seob

DOB: January 5, 1990
Training: Trained under M-Boat
Specialty: Vocals
Was AJ's highschool classmate and back-up dancer.

Son Dong Woon

DOB: June 6, 1991
Long-time JYPE trainee. Teased jokingly by fans for looking Thai, especially around 2PM's Nichkhun,who is said to look more Korean than Son Dong Woon.

Credit to AllKPop for member info (less info)