金亨俊
Kim Hyung-jun debuted as a youngest member of SS501 on June 8, 2005, along with their debut album entitled "Warning". Their second mini album, "Snow Prince" was released in late 2005, five months after their debut. During this time, they also established their official fan club name, "Triple S", and its color, pearl green. The group earned popularity right away as they won many rookie awards after their debut.