How many movies have Filippos Gionis and Omiros Efstratiadis collaborated on?

They have worked on 13 movies together! Their first movie together was Και Ο Πρώτος Ματάκιας (1982) while their highest rated movie together was Αχτύπητα... Καμάκια!! (1983). They have not worked together since Γαμπρός με το ζόρι (1990). They are most known for their comedy films together.