Exo-CBX is the first official sub-unit of South Korean boy group Exo. Formed by S.M. Entertainment in 2016, the group is composed of three Exo members: Chen, Baekhyun, and Xiumin. Their debut extended play Hey Mama! was released on October 31, 2016.

Stage Name: Xiumin/시우민
Real Name: Kim Minseok/김민석/金珉硕
Nicknames: Lil’ Fattie, Bao Zi
Birthday: March 26, 1990
Birthplace: Guri, Gyeonggi-do, South Korea
Blood Type: B
Height: 173cm
Weight: 65kg
Position in group: Main Dancer, Lead Vocalist, Rapper
Subgroup: EXO-M
Superpower: Frost
Languages: Korean, Chinese
Instruments: none
Hobbies: taekwondo, kendo
Siblings: one older brother
Fans: Xiuminions

Stage Name: Baekhyun/백현
Real Name: Byun Baekhyun/변백현/邊伯賢
Nicknames: Bacon
Birthday: May 6, 1992
Birthplace: Bucheon, Gyeonggi-do, South Korea
Blood Type: O
Height: 174cm
Weight: 58kg
Position in group: Main Vocalist
Subgroup: EXO-K
Superpower: Light
Languages: Korean
Instruments: piano
Hobbies: hapkido, playing the piano
Siblings: one older brother
Education: Jungwon High School
Fans: Baekons

Stage Name: Chen/첸
Real Name: Kim Jongdae/김종대/金鐘大
Nicknames: Orange, Chencing Machine, Chenchen
Birthday: September 21, 1992
Birthplace: Siheung, Gyeonggi-do, South Korea
Height: 173cm
Weight: 64kg
Position in group: Main Vocalist, Maknae
Subgroup: EXO-M
Superpower: Lightning
Languages: Korean, Chinese
Instruments: piano
Hobbies: singing, playing the piano
Siblings: older brother Jongdeok
Fans: Chensations