 Dick stated Stuart was his favorite character in the novel and the one whom he most identified with, and whose immediate perception of Bluthgeld as insane is more insightful than Bonny's view of the man, despite the latter's being formed from extensive personal knowledge.Edie Keller Daughter of Bonny Keller and Andrew Gill.Edie tells everyone she has a twin brother, assumed by everyone to be an imaginary friend but really being a sentient fetus in fetu named Bill.