The phrase "alternative identity" is correct and can be used in written English.
It refers to a different or secondary identity that a person may have apart from their primary one. This can include things like a stage persona, a pseudonym, or a secret identity. Example sentence: The famous author revealed that he had been writing under an alternative identity for years, much to the surprise of his fans.
Byron was his favorite alternative identity — the super-confident poet-peer, who never doubted who he was for a moment.
"Their clothes – like those depicted in 18th and 19th-century Orientalist paintings – allow the wearer to fabricate an alternative identity through cultural displacement," a sign reads.
He created an alternative identity for himself — a hit man named Tony DeAngelo — and used it to good effect on a number of occasions.
The art-history books have plenty to say about false or alternative identity; from Rembrandt's biblical set pieces to Cindy Sherman's film stills, artists have long experimented with disguise and metamorphosis.
"Actually, probably would have ended up a bad aspirant novelist on Grubb Street, wallowing in all the outrageous hucksterism of 18th-century London," he went on, warming to the notion of picking and choosng an alternative identity.
A gamer does not have merely to identify with the protagonist of someone's else story; the gamer actually gets to become that alternative identity, if just for a while.
She created alternative identities for herself.
Perhaps it's why periods have so many alternative identities.
Jane and John have both set up complete alternative identities as cover stories; they're acting out their lives.
Role-playing is a common device in self-portraiture, and it is used by several artists to establish desired or alternative identities.
Here, Wonderland is not Under Ground, as Carroll's original had it, or in the druggy counterculture, as Jefferson Airplane had it on White Rabbit, but the online world, where alternative identities are played out in games and on social media.
