How many movies have Napoleon Eleftheriou and Nikos Fermas collaborated on?

They have worked on 10 movies together! Their first movie together was Grousouzis (1952) while their highest rated movie together was Ο Παπατρέχας (1966). They have not worked together since Help! Vengos Visible Agent '000' (1967). They are most known for their comedy films together.