Siwon (Super Junior) Profile, Facts, and Ideal Type Siwon (시원) is a member of the South Korean boy group Super Junior. He made his acting debut in 2006 starring in the Hong Kong film “A Battle of Wits”. Siwon Fandom Name – Siwonest Siwon Fan Colour –  Stage Name: Siwon (시원) Birth Name: Choi Si Won (최시원) English … Continue reading Siwon (Super Junior) Profile, Facts, and Ideal Type