Yongguk is considered as the Father in B.A.P
Yongguk composed most of B.A.P's songs.
Yongguk can't believe that he has lived with Himchan for so long and still managed to stay alive.
During the recording for B.A.P's Warrior MV, Yongguk got burnt by the fire during one of the scenes which lead to him losing his eyebrows.
Yongguk failed his driving test twice.
According to Yongguk, if he can be born again, he would like to be born as an African-American and do music.
Before debuting, Yongguk appeared in Secret's Music Videos for "Shy Boy" and "Starlight Moonlight".
Yongguk was recommended by the duo "Untouchable" to TS Entertainment. The company then reached out to him in order to get him to become a trainee. At first, Yongguk was hesitant but ultimately agreed to train under the company.
Yongguk loves the film "Constantine"
Yongguk didn't know how to talk until he was 5 years old.