Related Clues:

• Name adopted when following boxer
• Anna Gram, say, for a wordsmith
• Young fellow in stage work, not old character
• A computer hacker usually uses this
• Regrettably adopting one false identity
• Character in power with reason to reform
• First song in Evita taken by leading actor's character
• Sasha Fierce, for Beyonce, e.g
• Captain Marvel, for one
• Ms. Marvel, for Kamala Khan
• A name by any other name?
• Spy's name, perhaps
• Anonymity protector
• Author's assumed character
• Public image or facade