Luanne Platter is a character in King of the Hill. She is Hank and Peggy's niece and Bobby's older cousin.Luanne came to stay with the Hills while her mother served time in jail for stabbing her father with a fork. Even though she used to play the field with several guys (including her now dead boyfriend Buckley), Luanne had a religious experience and she became born again. Luanne focused on her Christian puppets the Manger Babies and her career as a hair stylist. She eventually married Lucky, the father of her as yet unborn child and the two moved a few houses down the street from Hank and Peggy. Luanne views Hank like a father and she even asked him to stand in for the Father of the Bride at her wedding.She is voiced by Brittany Murphy.