Poll: "In Their Head" Movie Characters

These are the characters that exist WITHIN the head of another character. These characters cannot be ghosts per se but rather those that have become manifestations of a person's emotions. Many can also serve as an adequate spoiler for the movie in which they reside, so... SPOILER ALERT! Which of the following "in their head" movie characters has stuck in your head the most? After voting, you may discuss the poll here.