- On YG Treasure Box Jeongwoo was in Team C.
- On the show he was considered Yedam's rival.
- The romanization of his name is actually "Jungwoo" instead of "Jeongwoo".
- He attended a vocal school for two days before auditioning for YG.
- He and Junghwan attended the same dance school in Iksan.
- He used to share his room with Jaehyuk.
- Mashiho bought him new shoes after noticing that Jeongwoo is always wearing the same shoes.
- He used to play the violin and was part of the school orchestra.
- He was an exchanged student in elementary and studied in Australia.
- He is currently a student in SOPA.