Meyer-Briggs for fans
The Myers-Briggs Personality Sorter was intended to be a general, universal personality ID that divides people into one of sixteen distinct personality types, along four axes for Introverted (I) or extroverted (E), Sensing (S) or Intuitive (N), Thinking (T) or Feeling (F), and Judging (J) or Perceiving (P).
That said, these folks have applied it to the way we look at personalities:
ENTJ: The Evil Overlord
The ENTJ is best characterized by his charisma, his ability to grasp complex situations and to think flexibly and creatively, his keen and active intelligence, and his overwhelming desire to crush the world beneath his boot. ENTJs are naturally outgoing and love the company of other people, particulalry minions, henchmen, slaves, and the others they rule with ruthless efficiency….
ISTP: The Psycho Vigilante
ISTPs are quiet, unassuming people, who tend to be mechanically gifted but withdrawn and reserved. ISTPs often need a great deal of personal space and "alone time," which may give others the impression that they are aloof; in reality, this time is necessary to hide their secret identities….
ENTP: The Mad Scientist
The ENTP, like the ENTJ, is charismatic, outgoing, and intelligent. ENTPs are often quickwitted, clever, and genial; they typically display a highly organized, rational cognitive ability which makes them natural scientists and inventors….
Now if they can just come up with a conversion chart for comic book professionals, I’m golden.