Sungbin Yoon is the real name of Jack. He originates from Korea and a Korean national. He celebrates his birthday on February 5. His favorite hobbies are golf are golf and soccer. His favorite colors are black, white and red. His favorite foods are Sinigang na Bangus, Crispy Pata and Chopsuey. His favorite Shows are Wowowee and Pinoy Big Brother. His favorite actress and singer is Toni Gonzaga.

Jack was born on Korea. His family was together living in Philippines. It was a challenge for him to adjust and learn our language and culture but he study hard for our dialects and culture. Jack admitted that he was not religious but he believe that there was someone supreme being watching before him because he survive o a vehicular accident that he was the one driving. He said that he was a prank person and he will tell what he wants to tell. Do religious misbelief of Jack can affects his relationship to other housemates, or he will just use his charm to other teen housemates?