How many movies have Giorgos Triandafyllou and Omiros Efstratiadis collaborated on?

They have worked on 7 movies together! Their first movie together was Μίνι Φούστα Και Καράτε (1967) and was their highest rated movie together. They have not worked together since I Loved a Pontian (1986). They are most known for their comedy films together.