| Birth Name | Son Chae-young (손채영) |
| Stage Name | Chaeyoung (채영) |
| Birthday | April 23, 1999 |
| Nationality | South Korean |
| Height | 163 cm |
| Weight | 46 kg |
| Blood Type | B- |
| MBTI | INFP-T |
| Group | TWICE |
| Company | JYP Entertainment |
| Position | Main Rapper, Sub-Vocalist |
| English Name | Katrina Son |
| Zodiac Sign | Taurus |
| Chinese Zodiac Sign | Rabbit |