- name: sungjin / 성진
- birth name: park sungjin / 박성진
- position: leader / main vocalist / rhythm guitarist
- birthdate: january 16th, 1993 (930116)
- zodiac sign: capricorn
- blood type: a
- height: 177cm (5'10")
- hometown: busan, south korea
- family: mother, father, older sister
- jyp audition
- is good friends with b1a4's sandeul
- nickname is bob (the builder)
- is the most quick-witted member
- pre debut cover of 'love for you' by lee jung
- once said wonpil and dowoon look better on screen than in real life
- named his acoustic guitar 'atom'
- doesn't like pizza
- once said that when wonpil buys him food, he feels like he wants to date him
- cried while recording 'wish (바래)'
- was a trainee under jyp since 2010 and finally debuted in 2015
- is a great dancer
- hates skinship
- writes in satoori
- intimidating but so soft
- watch him ride a bike
- shy shy shy
- makes weird faces
oct 1 2017 ∞
jan 10 2018 +