Paul Jake Castillo

 is the runner-up on Pinoy Big Brother: Double Up

He was known in the house for his competitiveness and mature outlook in life. He was often seen as a threat both physically and mentally by the rival Team B when it comes to the House Competitions. He was also serious when it comes to the tasks, which often come across as bossy.

Paul Jake is one of the original residents of House A and was closest to his male housemates who call themselves as C4 Boys.

Biography
Real Name: Paul Jake Castillo Nickname: Paul Jake Origin: Cebu Age: 24 Birthdate: December 22, 1984 Nationality: Filipino Occupation: Businessman

Paul Jake belongs to a wealthy family and since childhood he lived a comfortable life. Not wanting to rely solely on his family, he put up his own business which eventually became successful. Paul earned enough money to study abroad.

Trivia

 * Paul Jake spent most of his days inside the Big Brother house living in House A, his original residence in the house. He only stayed in House B for two weeks due to the house swap on Week 4.
 * He had been considered to be a strong contender to be a Big Winner from the start and was considered a threat to most housemates of the rival team.