At Lit Hub, Tobias Carroll explores the history of authors using pen names, and what happens when these pseudonyms take on their own persona:
Under the best conditions, they can add another wrinkle to certain literary works; under the worst, they can amplify already-problematic conditions. Personas can be a kind of alter ego; they’re also a kind of power. And, to paraphrase a fictional character, with that power comes the burden to use it responsibly.