Birth Name: Leo Lee (Korean: 이리오)Birthdate: August 22, 2002Birthplace: Sydney, AustraliaHeight: 179 cm (5 ft 10 in)Blood Type: A Gender: Boy/Male He/Him Once he gets past the initial awkwardness, he transforms into a sweet, playful, and incredibly caring person. He is famously high-energy, loud, and deeply affectionate when hanging out with his longtime best friend and groupmate Sangwon.

JunseoName: Kim Junseo (김준서)Born in: Ulsan, South KoreaBirthday: November 20, 2001MBTI: ESFJVibes: The "Sunny Baby" and dependable oldest brother. He radiates comforting, affectionate, and cheerful energy. He feels like the group’s reliable anchor who takes great care of everyone (and loves cooking for them). Gender: Boy/Male He/Him

ArnoName: Zhang Jiahao (Stage name: Arno)Born in: Shenzhen, Guangdong, ChinaBirthday: July 7, 2002MBTI: INTJ / ISTJVibes: Cold beauty on the outside, absolute softie on the inside. He gives off an icy, sharp, and high-fashion model aura when he's quiet or on stage, but he instantly becomes clumsy, endearing, and deeply warm once he relaxes with his members. Gender: Boy/Male He/Him

Name: Kim Geonwoo (김건우)Born in: Jeonju, South KoreaBirthday: April 11, 2003MBTI: ESTJVibes: Intense, textbook perfectionist. He stands tall with an imposing, sharp, and ambitious visual style on stage. Off-stage, he carries a highly focused, direct, and tightly-structured energy, striving to keep order and discipline within the group's dynamics. Gender: Boy/Male He/Him

Name: He Xinlong (贺鑫隆)Born in: Taiyuan, Shanxi, ChinaBirthday: March 11, 2005MBTI: INFJVibes: Passionate and street-cool B-boy wizard. He carries a fiercely cool, hip-hop-heavy aesthetic while performing. Off-camera, he shifts into a quiet, observant, and highly disciplined person who quietly analyzes the room but supports his members with total empathy. Gender: Boy/Male He/Him

Name: Zhou Anxin (周安信)Born in: Kunshan, Jiangsu, ChinaBirthday: December 25, 2006MBTI: ENFPVibes: Elegant child-actor charm mixed with playful energy. He has a prince-like visual vibe, but his actual personality is bubbly, loud, and full of imaginative wonder. He easily acts as the group's social butterfly who can make friends with absolutely anyone. Gender: Boy/Male He/Him

Name: Chung Sanghyeon (정상현)Born in: South KoreaBirthday: September 19, 2007MBTI: ENFJVibes: Sweet, dramatic, actor-in-training youngest member. He gives off very polite, well-mannered, and emotionally intelligent energy. He uses his expressive facial features to casually tease his older members, perfectly pulling off the "affectionate but bratty" youngest brother trope. Gender: Boy/Male He/Him