<Li> Luanne Leanne Platter Kleinschmidt ( voiced by Brittany Murphy ) -- Luanne ( née Platter ) is the Hills ' college - age niece , daughter of Peggy 's scheming paternal twin brother Hoyt and his alcoholic ex-wife Leanne . Luanne moves in with the Hills after her mother Leanne stabs Hoyt with a fork during a drunken fight which tips over their trailer . Hank initially makes frequent attempts to encourage Luanne to move out on her own , but later more - or-less accepts her as a member of the family . She was a student at the beauty academy and later at Arlen Community College . She was often portrayed as an airhead , but was shown to be an expert mechanic in the first two seasons and is good at logic puzzles . Luanne was promiscuous , but she settles down after being visited by the spirit of her first boyfriend , the slacker Buckley , whom she calls `` Buckley 's angel '' ; and then attending a church - sponsored `` born - again virgin '' program and starts a Bible study class . Luanne created a puppet show entitled `` The Manger Babies '' for a Public - access television cable TV station , featuring the barnyard animals who witnessed Christ 's birth ( though they included a penguin and an octopus ) . In the 10th season finale , Luanne revealed that she was pregnant with the child of Lucky , whom she married in the 11th season finale . In the 13th and final season , she has a baby girl named Gracie Margaret Kleinschmidt . She wears a green sleeveless shirt and red capris . </Li>
<Li> Luanne Leanne Platter Kleinschmidt ( voiced by Brittany Murphy ) -- Luanne ( née Platter ) is the Hills ' college - age niece , daughter of Peggy 's scheming paternal twin brother Hoyt and his alcoholic ex-wife Leanne . Luanne moves in with the Hills after her mother Leanne stabs Hoyt with a fork during a drunken fight which tips over their trailer . Hank initially makes frequent attempts to encourage Luanne to move out on her own , but later more - or-less accepts her as a member of the family . She was a student at the beauty academy and later at Arlen Community College . She was often portrayed as an airhead , but was shown to be an expert mechanic in the first two seasons and is good at logic puzzles . Luanne was promiscuous , but she settles down after being visited by the spirit of her first boyfriend , the slacker Buckley , whom she calls `` Buckley 's angel '' ; and then attending a church - sponsored `` born - again virgin '' program and starts a Bible study class . Luanne created a puppet show entitled `` The Manger Babies '' for a Public - access television cable TV station , featuring the barnyard animals who witnessed Christ 's birth ( though they included a penguin and an octopus ) . In the 10th season finale , Luanne revealed that she was pregnant with the child of Lucky , whom she married in the 11th season finale . In the 13th and final season , she has a baby girl named Gracie Margaret Kleinschmidt . She wears a green sleeveless shirt and red capris . </Li>
who does luann 's voice on king of the hill
who does luann 's voice on king of the hill
Brittany Murphy
Brittany Murphy