How many movies have Jakob Claussen and Richy Müller collaborated on?

They have worked on 4 movies together! Their first movie together was One of My Oldest Friends (1995) while their highest rated movie together was Vampire Sisters 2: Bats in the Belly (2014). They have not worked together since Vampire Sisters 3: Journey to Transylvania (2016). They are most known for their comedy films together.