Full Name: Kim Junseo Birthday: 2001/11/20 Height: 180cm The eldest member and the ultimate big brother figure of the group. He is broad-shouldered, physically strong, kind, and has a great capacity for acceptance.

Full Name: Lee Rio Birthday: 2002/8/22 Height: 179cm The group leader who keeps the energy high. He provides commentary and hypes up the atmosphere in various situations. He is fluent in English. He is a skilled vocalist.

Full Name: Zhang Jiahao (Arno is his stage name, but he is often called Jiahao by the members) Birthday: 2002/7/7 Height: 178cm From China. His charm lies in his sexiness and he is an expert dancer. Contrary to his sophisticated and beautiful appearance, he has a soft, airy personality. An artistic type.

Full Name: Kim Geonu Birthday: 2003/4/11 Height: 184.3cm The tallest member of the group. He plays the 'straight man' (tsukkomi) role in the group. He has cool, sharp features but also a cute side. He has no hesitation when it comes to doing aegyo.

Full Name: Lee Sangwon Birthday: 2003/5/8 Height: 177cm He has a visual that is both ephemeral and cool, yet cute. He is very sensitive and expressive. He loves reading. He has a gentle, peaceful personality, but occasionally acts strangely or performs odd antics. He sometimes cracks dad jokes.

Full Name: He Xinlong Birthday: 2005/3/11 Height: 177cm From China. He has a powerful, wolf-like visual and an overwhelmingly deep voice. He is in charge of rap and is a skilled dancer. He observes his surroundings better than anyone and is the embodiment of kindness, always being attentive and considerate. He is clumsy and easily frightened. He often moves like a small animal, which is adorable.

Full Name: Zhou Anxin Birthday: 2006/12/25 Height: 178cm From China. He has sharp, cool facial features. He gets embarrassed doing aegyo but does it properly when asked. He is characterized by a high-pitched laugh. He dotes on Sanghyeon, the only member younger than him. Although he is the second youngest in the group, he has a big-brotherly nature and is surprisingly good at taking care of others.

Full Name: Cheon Sanghyeon Birthday: 2007/9/19 Height: 180cm The youngest member (maknae) of the group. He has charming droopy eyes and a refreshing look. He is as cute as a puppy but is tall and reliable. Very friendly. As the youngest, he is often teased and doted on by the other members.