Siwon

Real Name: 최시원 Choi Si Won
Stage Name: 시원 Siwon (official) | Shiwon (unofficial)
Chinese Name: 始源 Shi Yuan
Date of Birth: February 10, 1987 | Real: April 7, 1986
Height: 183 cm
Weight: 65 kg
Blood Type: B
Hobbies: singing, dancing, watching movies, Taekwondo, Chinese (language), playing drums
Casting: Starlight Casting System 2003
First Appearance: October 2003, Dana MV "What is Love"