Question: What was the role that one of the voice artists in Bottersnikes and Grumbles played in the movie Harry Potter?
Sentence (from "A Very Potter Musical"): The story is a parody, based on several of the "Harry Potter" novels (particularly "Harry Potter and the Philosopher's Stone", "Harry Potter and the Goblet of Fire" and "Harry Potter and the Deathly Hallows") by J. K. Rowling, as well as their film counterparts.
Relevant evidence: No