What do you call a person who considers himself both bad and good? Bob, for example, burns his enemy's house as revenge, after which he says, "Good Bob wants to apologize, but bad Bob wanted revenge." What would you call Bob?
closed as off topic by Bill Franke, tchrist, cornbread ninja 麵包忍者, Bravo, Kristina Lopez Mar 15 '13 at 17:49
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You could call him a “Dr. Jekyll and Mr. Hyde”, from the names of the Robert Louis Stevenson character with the split personality.
The terms are often used to describe someone who struggles with good and evil. For example, in the play A Distance from Calcutta, one of the characters says:
The phrase is used in works of non-fiction as well.