| Full Name | Lee Soon Kyu |
| Stage Name | Sunny |
| Native Name | 이순규 |
| Birthday | May 15, 1989 |
| Age | 35 years and 11 months old |
| Zodiac Sign | Taurus |
| Birthplace | Orange County, California, United States |
| Height | 5’2″ (158 cm) |
| Weight | 103.6 lbs (47 kg) |
| Blood Type | B |
| MBTI | ISTJ |
| Education | Seoul Foreign School |
| Languages | English, Korean, Japanese |
| Group | Girls’ Generation (SNSD) |
| Social Media | Instagram: [@515sunnyday] Twitter (X): [@Sunnyday515] |