| Full Name | Lee Dong-min |
| Stage Name | Cha Eun-woo |
| Native Name | 이동민 |
| Birthday | March 30, 1997 |
| Age | 28 years and 2 months old |
| Zodiac Sign | Aries |
| Birthplace | Sabon District, Gunpo, Gyeonggi Province, South Korea |
| Height | 6′ (183 cm) |
| Weight | 141.1 lbs (64 kg) |
| Blood Type | B |
| MBTI | INTJ |
| Education | Sungkyunkwan University |
| Languages | Korean, English |
| Group | ASTRO |
| Social Media | Instagram: [@eunwo.o_c] Twitter (X): [@CHAEUNWOO_offcl] YouTube: [@offclCHAEUNWOO] TikTok: [@at_chaeunwoo] |