Question: Who is the main character of the animated film that features both of the members of Tenacious D?
Sentence (from "Kung Fu Panda"): It was directed by John Stevenson and Mark Osborne and produced by Melissa Cobb, and stars the voices of Jack Black, Dustin Hoffman, Angelina Jolie, Ian McShane, Seth Rogen, Lucy Liu, David Cross, Randall Duk Kim, James Hong, and Jackie Chan.
Relevant evidence: Yes