Name : Yoon Do Joon ( 윤두준 )
Group Position : Leader, Vocalist, Rapper
Date of Birth : July 4th, 1989
Height : 179 cm
Weight : 66 kg
Blood Type : A
Trained in : JYP Entertainment & Cube Entertainment
Name : Jang Hyun Seung ( 장현승)
Group Position : Main Dancer, Vocalist
Date of Birth : September 3rd, 1989
Height : 176 cm
Weight : 58 kg
Blood type : B
Trained in : YG Enterteinment & Cube Entertainment
Name : Young Hyun Jung ( 용준형 )
Former Name (was changed when he was in 6th grade ) : Young Jae Sun ( 용재순)
Group Position : Main Rapper
Date of Birth : December 19th, 1989
Height : 179 cm
Weight : 64 kg
Blood Type : O
Trained in : XING Entertainment & Cube Entertainment
Name : Yang Yo Seob ( 양요섭 )
Group Position : Main Vocalist
Date of Birth : January 5th, 1990
Height : 174 cm
Weight : 56 kg
Blood Type : B
Trained in : JYP Entertainment, M Boat, Cube Entertainment
Name : Lee Ki Kwang ( 이기광 )
Group Position : Vocalist, Main Dancer
Date of Birth : March 30th, 1990
Height : 170 cm
Weight : 58 kg
Blood Type : A
Trained in : DSP Media, JYP Entertainment, Cube Entertainment
Name : Son Dong Woon ( 손동운 )
Group Position : Vocalist, Maknae
Date of Birth : June 6th, 1991
Height : 181 cm
Weight : 64 kg
Blood Type : A
Trained in : JYP Entertainment & Cube Entertainment