How many movies have Eka Karppanen and Walle Siivonen collaborated on?

They have worked on 5 movies together! Their first movie together was Neiti talonmies (1955) while their highest rated movie together was Pekka ja Pätkä salapoliiseina (1957). They have not worked together since Pekka ja Pätkä Suezilla (1958). They are most known for their comedy films together.