"""The Simpsons"" character who belts out part of ""Sgt. Pepper's"" in an episode" crossword clue

Let me guess, you have been playing a crossword game and got stuck on the clue """The Simpsons"" character who belts out part of ""Sgt. Pepper's"" in an episode". Well, you have come to the right place to find the answer to this clue.

A P U