Question: In addition to his puppeteering on The Dark Crystal, Dave Goelz is known for performing as which Muppet?
Sentence (from "The Muppets (film)"): In "The Muppets", devoted fan Walter, his brother Gary, and Gary's girlfriend Mary help Kermit the Frog reunite the disbanded Muppets, as they must raise $10 million to save the Muppet Theater from Tex Richman, a businessman who plans to demolish the studio to drill for oil.
Relevant evidence: No