How many movies have Bernd 'Bernemann' Kost and Konrad 'Bobby' Schottkowski acted in together?

They have worked on 3 movies together! Their first movie together was Wacken Metal Overdrive (2003) and was their highest rated movie together. They have not worked together since Sodom: [2007] Wacken Open Air (2007). They are most known for their music films together.