Birth Name: Nam Woo Hyun
Chinese Name: 南優鉉
Japanese Name: ナム・ウヒョン
Stage Name: Woohyun
Position: Main Vocalist
Date of Birth: 8 February 1991
Height: 176 cm
Blood Type: B
Hometown: Seoul, South Korea
Duo Debut: 20 February 2014 — “ToHeart Woohyun & Key – ToHeart”
For full details please click here, source from Wikipedia.