- Full name: Jeong Yun-o
- Date of Birth: February 14, 1997
- Nationality: Korean
- Blood type: A
- Group: NCT, NCT U, NCT 127
- Agency: SM Entertainment
- Debut: 2016
- Position in the group: main vocalist, sub rapper, lead dancer
- Family members: Mom, dad, Jaehyun
- Nickname: ‘Peach’, ‘Valentine boy’, ‘chocolate boy’, and ‘prince’
- His birthday is on valentine day
- He loves eating and also good at cooking. Fans find him eating bread a lot
