changeling Synonyms

cretin half-wit idiot imbecile substituent substitute sub shifter retard succedaneum supplanter surrogate understudy variable vicar Changelings temporary expedient toolbox shapeshifter shape-shifter imbecilic ersatz moron stand-in fill-in backup representative replacement relief changer changing changed auxiliary assistant analogy alternative alternating alternate comparison agent deputy rat proxy mongoloid makeshift locum tenens exchange equivalent dummy double