How many movies have Frank Schaff and Holger Tappe collaborated on?

They have worked on 2 movies together! Their first movie together was Impy's Island (2006) while their highest rated movie together was Impy's Wonderland (2008). They have not worked together since Impy's Wonderland (2008).

Role
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Role
Wawa (voice)
Crew
Director
Crew
Producer