한 UO UO (유오) is a South Korean Male Artist. He started in group TST. Read All General Information International Stage Name : UO Domestic Stage Name : Pronounce 유오 Previous Stage Name : Yonghyeon Previous Hangul Stage Name : 용현 Full Name : Kwon Yong Hyeon Pronounce Full Domestic Name : Pronounce 권용현 Date of Birth : 1996-12-18 (age 29) Zodiac : Sagittarius Country of Birth : South Korea Related Artists : TST - Vocal,MaknaeXD - Maknae Original group : TST Images