The Dark Half by King is a good read on this topic.
a second self or different version of oneself, such as
a :a trusted friend
b :the opposite side of a personality – Clark Kent and his alter ego Superman
c: a fictional character that is the author’s alter ego
Literature is the lie that tells the truth. Or so they say. That’s why sometimes writers choose to use alter egos. Ernest Hemingway wrote the so-called Nick Adams stories, John Updike had Rabbit Angstrom and Henry Bech, Bukowski had Henry Chinaski.
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