General Information | ||
| International Stage Name | Joochan | |
| Domestic Stage Name | 주찬 | |
| Full Name | Hong Joochan | |
| Full Domestic Name | 홍주찬 | |
| Date of Birth | 1999-07-31 (age 26) | |
| Zodiac | Leo | |
| Country of Birth | South Korea | |
| Related Artists | Golden Child - Vocal | |
| Original group | Golden Child | |
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