Question: In which "The Simpsons" episode written by Jack Barth and directed by Mark Kirkland does this fictional character (who usually does low-level work) voiced by Phil Hartman appear as the main character?
Sentence (from "A Fish Called Selma"): Show runners Bill Oakley and Josh Weinstein were fans of Phil Hartman and wished to produce an episode that focused on his character McClure.
Relevant evidence: No