Hank Hill as far as covering up Strickland's illegal price fixing agreement with the other local propane providers to keep him from being arrested. Hank also seems to think that being a propane salesman is the best job there is (and wants his son, Bobby Hill, to follow his footsteps and start a propane business of his own). Hank loves his job very much, but throughout the series always makes a big deal out of it when his closest friends and even family find his occupation boring and somewhat useless and even find his obsession with propane odd. In the episode "A
King of the Hill Peggy's only child, Bobby Hill (voiced by Pamela Adlon), is a husky pre-pubescent boy who is generally friendly and well-liked, but not very bright, and often prone to making bad decisions. Throughout the series, Peggy's niece, Luanne Platter (voiced by Brittany Murphy), the daughter of her scheming brother Hoyt (guest voiced by Johnny Knoxville in "Life: A Loser's Manual", the 12th season finale) and his alcoholic ex-wife Leanne (voiced by Adlon in "Leanne's Saga"), lives with the Hill family. Naïve and very emotional, Luanne was originally encouraged to move out by her Uncle Hank, but over time, he accepts her