The compelling case of split personalities in character-driven fiction

Based on the Marvel Comics, Moon Knight‘s Disney+ television adaptation is about a timid museum clerk and Egyptology nut named Stephen Grant. He lives a carefully guarded, secretive life, all of which is upended when his alternate personality, Marc Spector, comes unchained.

If you know the least about this character, it’s no spoiler to say Stephen/Marc quickly discovers he’s been enthralled by the Egyptian god Khonshu. In ancient Egyptian mythology, Khonshu is the traveler, the god of the moo...