Walter Dohrn (born December 5, 1970) is an American writer, director, animator, musician, and actor. He performed the voice of Rumpelstiltskin in Shrek Forever After (2010) and various characters in Shrek the Third (2007). He co-directed the film Trolls (2016), directed its sequels, and voiced multiple characters in the franchise. He is directing Shrek 5, set for release in 2026. Dohrn has also worked as a writer, director, and storyboard director in Season 2 of SpongeBob SquarePants, and he also worked on two episodes from Season 3. In 2020, Dohrn signed a deal with DreamWorks Animation. Description above from the Wikipedia article Walter Dohrn, licensed under CC-BY-SA, full list of contributors on Wikipedia.