I I myself acquaintance advocate ally alter alternate alterum amicus curiae analogon analogue associate attorney backer backup backup man best friend better self bosom friend brother casual acquaintance champion close acquaintance close copy close friend close match cognate companion complement confidant confidante congenator congener coordinate correlate correlative correspondent counterpart deputy dummy ego equivalent ethical self executive officer exponent familiar favorer fellow fellow creature fellowman fidus Achates figurehead friend he her herself him himself image inner man inner self inseparable friend intimate it kindred spirit lieutenant like likeness locum locum tenens lover man Friday mate me my humble self myself near duplicate neighbor number one obverse oneself other self ourselves parallel paranymph partisan pendant pickup picture pinch hitter pleader procurator proxy reciprocal repository representative right hand right-hand man second in command second self secondary self she similitude simulacrum sister soul mate stand-in strong right hand subconscious self subliminal self substitute such suchlike superego supporter surrogate sympathizer tally the like of the likes of them themselves they twin understudy utility man vicar vicar general vice vicegerent well-wisher you yours truly yourself yourselves