How many movies have Aarre Koivisto and Kalle Sulkunen collaborated on?

They have worked on 3 movies together! Their first movie together was Pekka ja Pätkä sammakkomiehinä (1957) while their highest rated movie together was "Ei se mitään!" sanoi Eemeli (1962). They have not worked together since Ihana seikkailu (1962). They are most known for their comedy films together.