General Information | ||
| International Stage Name | Hongseok | |
| Domestic Stage Name | 홍석 | |
| Full Name | Yang Hongseok | |
| Full Domestic Name | 양홍석 | |
| Date of Birth | 1994-04-17 (age 32) | |
| Zodiac | Aries | |
| Country of Birth | South Korea | |
| Related Artists | PENTAGON - Vocal | |
| Original group | PENTAGON | |
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