1. (noun)impersonator, imitator someone who (fraudulently) assumes the appearance of another Synonyms: impersonator, emulator, aper, copycat, imitator, ape
2. (noun)copycat, imitator, emulator, ape, aper someone who copies the words or behavior of another Synonyms: impersonator, anthropoid, emulator, aper, copycat, imitator, ape