The Bumpuses were so low down on the evolutionary totem pole...

The Bumpuses were so low down on the evolutionary totem pole that they weren't even included in Darwin's famous family tree. They had inbred and ingrown and finally emerged from the Kentucky hills like some remnant of Attila the Hung's barbarian horde. Flick said that they had webbed feet and only three toes. It might have been true.