General Information | ||
| International Stage Name | Y | |
| Domestic Stage Name | 와이 | |
| Full Name | Choi Sungyoon | |
| Full Domestic Name | 최성윤 | |
| Date of Birth | 1995-07-31 (age 30) | |
| Zodiac | Leo | |
| Country of Birth | South Korea | |
| Related Artists | Golden Child - Vocal | |
| Original group | Golden Child | |
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