How many movies have Joji Isla and Mon del Rosario collaborated on?

They have worked on 6 movies together! Their first movie together was Barbi: Maid in the Philippines (1989) while their highest rated movie together was Pretty Boy (1993). They have not worked together since Haba-Baba-Doo! Puti-Puti-Poo! (1998). They are most known for their comedy films together.