Choi Si-won.

Born: February 10 1987 Seoul, South Korea.

Occupations: Singer, Actor, Dancer, Model.

Instruments: Vocals, Drums, Piano Guitar

Group: Super Junior, Super Junior M

Features: 185cm (6'2"), Blood type: B, 75kg (about 165 lbs), 1 younger sister Choi Jiwon, voicetype: baritone 

Extras: Devouted Protestant Christian, Graduated Inha University in February 2012 along with Kim Ryeowook, Models Phillippine Brand 'Bench' along with Lee Donghae,