| idol_id | 478 |
| Selca owner | kasper |
| Pop type | K-pop |
| Stage name (romanized) | Kasper |
| Stage name (original) | 캐스퍼 |
| Real name (romanized) | Lee Serin |
| Real name (original) | 이세린 |
| Birth date | 1993-04-17 (age 32) ▲ ▼ |
| Chinese zodiac sign | 🐓 Rooster |
| Western zodiac sign | ♈ Aries |
| Hometown | |
| Height | |
| Weight | |
| Blood type | |
| Debut date | 2014-07-21 (11 years and 3 months ago) ▲ ▼ |
| Country of origin | 
United States of America |