Stage name: Sunoo (선우)

Birth name: Kim Seonwoo (김선우)

English name: William/Hunter/James Kim

Position: Lead Vocalist, Lead Dancer

Birthplace: Suwon, Gyeonggi-do, South Korea

Birthday: June 24, 2003

Zodiac sign: Cancer

Height: 177cm (5'10")

Weight:

Blood type: 0

Representative emoji: 🦊