How many movies have Aris Papatheodorou and Ilias Kapetanidis collaborated on?

They have worked on 3 movies together! Their first movie together was Ο τρελός τα 'χει 400 (1968) while their highest rated movie together was The Grouch (1969). They have not worked together since I Loved an Armchair (1971). They are most known for their comedy films together.