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?
Troy McClure: Troy McClure is a fictional character from the American animated sitcom "The Simpsons". A Fish Called Selma:  Freelance writer Jack Barth wrote the episode, and Mark Kirkland directed it.
i don't know