| idol_id | 656 |
| Selca owner | secret_hyosung |
| Pop type | K-pop |
| Stage name (romanized) | Jeon Hyosung |
| Stage name (original) | 전효성 |
| Real name (romanized) | Jeon Hyosung |
| Real name (original) | 전효성 (全烋星) |
| Birth date | 1989-10-13 (age 34) ▲ ▼ |
| Chinese zodiac sign | 🐍 Snake |
| Western zodiac sign | ♎ Libra |
| Hometown | Cheongju |
| Height | 161.0cm (5'3") ▲ ▼ |
| Weight | 49.5kg (109lb) ▲ ▼ |
| Blood type | O |
| Debut date | 2009-10-13 (14 years and 6 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|
|
(시크릿)
|
TS Entertainment | 2009-10-13 | 2016 | Group disbanded |