How many movies have Gunter Otto and Willy Krause collaborated on?

They have worked on 3 movies together! Their first movie together was The Minor's Wife ... Takes Her Pick (1972) while their highest rated movie together was Laß jucken, Kumpel III. Teil - Maloche, Bier + Bett (1974). They have not worked together since Laß jucken, Kumpel III. Teil - Maloche, Bier + Bett (1974). They are most known for their comedy films together.