Full Name: Yoo Ki Hyun ( 유기 현 )
Stage Name: Kihyun ( 기 현 )
Birthday: November 22,1993
Blood type: B
Position: Vocal
Facts
-The best vocalist of the group.
-He knows how to play guitar.
-He released a single whit SISTAR's Soyou & Giri Boy titled "PILLOW"