Poll: I want an imaginary friend like ...

The word 'imaginary' is to be taken on a broader meaning, most of these characters are much real from the character's perspective but they're imaginary in the sense that only the main protagonist truly interacts with them. So if you had the chance, which of these characters would you love to have as imaginary friend? Discuss here PS: the last 2 options below the 'creepy' one are from "Fight Club" and "A Beautiful Mind", don't read if you haven't seen any of these two films, and do your best to forget about the poll's title ...