Ef einhver er í vafa. In the “Treehouse of Horror VII” episode, Bart discovers he was separated at birth from a Siamese Twin by Dr. Hibbert. His “evil twin,” Hugo has been consigned to living in the attic of the Simpson home, but escapes to plot revenge. Ultimately, Dr. Hibbert discovers Bart is in fact the evil twin (his surgical scar was on the right side, making him the left twin), and Hugo had been isolated unjustly. The episode ends with the Simpsons enjoying dinner with Hugo, while...