How many movies have Fred Navarro and Nello Nayo collaborated on?

They have worked on 21 movies together! Their first movie together was Maginoong Tulisan (1965) while their highest rated movie together was Isang Kumot, Tatlong Unan (1986). They have not worked together since Isang Kumot, Tatlong Unan (1986). They are most known for their action films together.