<Li> Amanda Bynes as Piper Pinwheeler, a yellow robot who is Fender's younger sister . </Li> <Li> Drew Carey as Crank Casey, an orange robot who befriends Rodney . </Li> <Li> Jennifer Coolidge as Aunt Fanny, a kind, motherly robot who takes in "broken" robots; she has the unintentional effect of bumping people with her large aft . </Li> <Li> Harland Williams as Lugnut, a large green robot who befriends Rodney along with his mute companion Diesel . </Li>

Who does the voice of aunt fanny in robots