alter ego Synonyms

secondary personality alter idem bro soul mate sidekick buddy doppelganger best friend Jekyll and Hyde amigo stand-in boon companion bosom friend bosom buddy opposite side of a personality another aspect of one's self another self alternative personality alternate personality fidus achates close friend main man homie compadre sister shadow confidante confidant comrade compeer companion colleague chum brother associate ally counterpart crony equal schoolmate playmate partner pal mate intimate friend fellow familiar equivalent acquaintance