| Full Name | Kim Young-hoon |
| Stage Name | Younghoon |
| Native Name | 김영훈 |
| Birthday | August 8, 1997 |
| Age | 27 years and 10 months old |
| Zodiac Sign | Leo |
| Birthplace | Incheon, South Korea |
| Height | 6’1″ (185 cm) |
| Weight | 138.9 lbs (63 kg) |
| Blood Type | A |
| MBTI | INFP-T |
| Education | – |
| Languages | Korean |
| Group | THE BOYZ |
| Social Media | Instagram: [@_0hoony] |