| Full Name | Lee Seung-hoon |
| Stage Name | Hoony |
| Native Name | 이승훈 |
| Birthday | January 11, 1992 |
| Age | 33 years and 4 months old |
| Zodiac Sign | Capricorn |
| Birthplace | Busan, South Korea |
| Height | 6’1″ (185 cm) |
| Weight | 143.3 lbs (65 kg) |
| Blood Type | A |
| MBTI | – |
| Education | Gukje Cyber University |
| Languages | Korean, Japanese |
| Group | WINNER |
| Social Media | Instagram: [@maetamong] Twitter (X): [@official_hoony_] |