| Full Name | Yoo Ki-hyun |
| Stage Name | Kihyun |
| Native Name | ìœ ê¸°í˜„ |
| Birthday | November 22, 1993 |
| Age | 31 years and 6 months old |
| Zodiac Sign | Sagittarius |
| Birthplace | Goyang, South Korea |
| Height | 5’9″ (175 cm) |
| Weight | 136.7 lbs (62 kg) |
| Blood Type | B |
| MBTI | ENFP |
| Education | DIMA, Dong’Ah Institute of Media and Arts |
| Languages | Korean, Japanese, English |
| Group | MONSTA X |
| Social Media | Instagram: [@yookihhh] |