How many movies have Kostas Karagiannis and Theodoros Katsadramis collaborated on?

They have worked on 5 movies together! Their first movie together was Ο τρελός τα 'χει 400 (1968) while their highest rated movie together was I rejected Hitler (1970). They have not worked together since What a Waste! (1970). They are most known for their comedy films together.