P.L. "Perfectly Loathsome" Leo Louse is Principal Greedygut's personal assistant at Dreary Meadows School. He is also the school's hockey coach, Morty's old friend, and Principle Greedyguts' left-hand man. He is ... (bathing once a month to save soap and going out of his way for any scrap that may be worth something). He lives soley by the rule "finders keepers, losers weepers".