How many movies have Gunter Wallace and Johannes Buzalski acted in together?

They have worked on 3 movies together! Their first movie together was Laß jucken Kumpel 2 - Das Bullenkloster (1973) while their highest rated movie together was Laß jucken, Kumpel III. Teil - Maloche, Bier + Bett (1974). They have not worked together since Let Itch Dude 5: The Dude Won't Let the Itching (1975). They are most known for their comedy films together.