- Full name: Park Soo-yeong
- Date of Birth: September 3, 1996
- Nationality: Korean
- Blood type: A
- Group: Red Velvet
- Agency: SM Entertainment
- Debut: 2014, ‘Hapiness’
- Position in the group: sub vocalist, lead rapper
- Family members: Mom, dad, two younger sisters, Joy
- Nickname: ‘tongtongyi’,’pure’,’genius girl’ and ‘apple’
- Joy’s image color in Red Velvet is green
