How many movies have Franco Mancarella and Vincenzo Falsaperla collaborated on?

They have worked on 5 movies together! Their first movie together was Io tigro, tu tigri, egli tigra (1978) while their highest rated movie together was The Taming of the Scoundrel (1980). They have not worked together since Nineties (1992). They are most known for their comedy films together.