▴ info:

• real name: park sungjin (박성진)
• stage name: sungjin (성진)
• birth date: january 16, 1993
• born in: busan, south korea
• position: leader, main vocalist, rhythm guitar

▴ facts:

• nicknames: bear and bob
• wonpil used to ask sungjin if he was a bear
• jae calls him bob because jae says he looks like bob the builder
• can't stop saying "okay" during lives
• jb's (got7) friend since pre-debut
• can dance