| Full Name | Moon Tae-il |
| Stage Name | Taeil |
| Native Name | 문태일 |
| Birthday | June 14, 1994 |
| Age | 31 years and 1 month old |
| Zodiac Sign | Gemini |
| Birthplace | Seoul, South Korea |
| Height | 5’8″ (172 cm) |
| Weight | 132.3 lbs (60 kg) |
| Blood Type | O |
| MBTI | ISFP |
| Education | Seoul Science High School |
| Languages | Korean, English |
| Group | NCT (2016 – August 28, 2024) NCT U (2016 – August 28, 2024) NCT 127 (2016 – August 28, 2024) |
| Social Media | Instagram: [@mo.on_air] YouTube: [@TAEIL_MOON] |