| Birth Name | Xu Ming Hao (徐明浩) |
| Stage Name | The8 (디에잇) |
| Birthday | November 7, 1997 |
| Nationality | Chinese |
| Height | 179.8 cm |
| Weight | 58 kg |
| Blood Type | O |
| MBTI | INFJ/INTJ |
| Group | SEVENTEEN |
| Company | PLEDIS Entertainment |
| Position | Lead Dancer, Sub-Vocalist, Sub-Rapper |
| Korean Name | Seo Myung-ho (서명호) |
| Zodiac Sign | Scorpio |
| Chinese Zodiac Sign | Ox |
| Representative Emoji | 🐸 |