| Birth Name | Do Kyung-soo (도경수) |
| Stage Name | D.O. (디오) |
| Birthday | January 12, 1993 |
| Nationality | Korean |
| Height | 172 cm |
| Weight | 60 kg |
| Blood Type | A |
| MBTI | ENTJ |
| Group | EXO |
| Company | SM Entertainment |
| Position | Main Vocalist |
| Zodiac Sign | Capricorn |
| Chinese Zodiac Sign | Monkey |
| Super Power Badge | Force |
| Representative Number | 12 |
| Representative Emoji | 🐧 |