| Full Name | Park Yeeun |
| Stage Name | Ha:tfelt |
| Native Name | 박예은 |
| Birthday | May 26, 1989 |
| Age | 36 years and 1 month old |
| Zodiac Sign | Gemini |
| Birthplace | Goyang, Gyeonggi-do, South Korea |
| Height | 5’5″ (165 cm) |
| Weight | 103.6 lbs (47 kg) |
| Blood Type | AB |
| MBTI | – |
| Education | – |
| Languages | Korean, English |
| Group | Wonder Girls (2007-2017) |
| Social Media | Instagram: [@hatfelt] YouTube: [@HATFELT2022] Twitter (X): [@hatfelt731] |