- Full name: Choi Yeonjun
- Date of Birth: September 13, 1999
- Nationality: Korean
- Blood type: A
- Group: TXT
- Agency: BigHit Entertainment
- Debut: January 2019
- Family members: Mom, dad, Yeonjun
- Nickname: ‘Jjuny’,’yeonddo’, and ‘Desert fox’
- He lived in California for three years
- Yeonjun likes to eat a lot and is a way to reduce his stress
