How many movies have Didi Perego and Renato Malavasi acted in together?

They have worked on 5 movies together! Their first movie together was I 2 deputati (1969) while their highest rated movie together was Puro siccome un angelo papà mi fece monaco... di Monza (1969). They have not worked together since The Exorciccio (1975). They are most known for their comedy films together.