| idol_id | 897 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Hyeyeon |
| Stage name (original) | 혜연 |
| Real name (romanized) | Cho Hyeyeon |
| Real name (original) | 조혜연 |
| Birth date | 2000-08-05 (age 25) ▲ ▼ |
| Chinese zodiac sign | 🐉 Dragon |
| Western zodiac sign | ♌ Leo |
| Hometown | Ansan |
| Height | 167.0cm (5'6") ▲ ▼ |
| Weight | |
| Blood type | O |
| Debut date | 2016-06-28 (9 years and 4 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | Roles | |
|---|---|---|---|---|---|---|---|
|
gugudan (구구단) | Jellyfish Entertainment | 2016-06-28 | 2020-12-31 | Group disbanded | Maknae |
| Name | Debut date | |
|---|---|---|
|
gugudan OGUOGU (구구단 오구오구) | 2017-08-10 |