How many movies have Enrico Vanzina and Fernando Massaccesi collaborated on?

They have worked on 4 movies together! Their first movie together was Viuuulentemente mia (1982) while their highest rated movie together was Horse Fever: The Mandrake Sting (2002). They have not worked together since Horse Fever: The Mandrake Sting (2002). They are most known for their comedy films together.