Definition of "doppelganger" [doppelganger]

• A ghostly double of a living person, especially one that haunts such a person. (noun)
• An evil twin. (noun)
• A remarkably similar double. (noun)
• A person who has the same name as another. (noun)
• A fantastic monster that takes the forms of people, usually after killing them. (noun)

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• "A few minutes later the real Lance arrives at the nightclub to the amazement of Stone and Dina; he explains his doppelganger is his older brother former army intelligence specialist Barton, who still suffers from an amnesia causing blow to the head."
• "Without a context, without a narrative other than that which we have inferred, there's no way of knowing whether this doppelganger is artifice or anomaly."
• "Stalked by an enigmatic doppelganger from a preternatural realm, Joanna can feel the Light failing – which is propelling her toward a terrifying confrontation with the ultimate master of evil, the dark lord of Shadow: her father."