P.L. "Perfectly Loathsome" Leo Louse is Principal Greedygut's personal assistant at Dreary Meadows school. He is also the school hockey coach, Morty's old friend, and Principal 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 solely by the rule "finders keepers, losers weepers".