– He was born in Jeju, South Korea.

– Education: Seoul School of Performing Arts

– Specialty: Dance and playing football

– Nickname: Dongsookie

– His hobbies are playing piano, listening to music, singing.

– His favorite subject in school is Music while the subjects he hates the most is Science.

– He dreams to become a singer-songwriter.

– Haechan said the Ah~~~~~ in Limitless in his sleep according to Mark and could hold it for a long time too.

– He also snores in his sleep. XD

– He does the most cleaning in the dorm.

cr. KProfiles