1) Aper 2) Imitator 3) Mimic 4) Mimicker 5) Parrot 1) Beguiler 2) Cheat 3) Cheater 4) Deceiver 5) Imitator 6) Slicker 7) Trickster 
An impersonator is someone who imitates or copies the behavior or actions of another. There are many reasons for someone to be an impersonator, some common ones being as follows: ==Celebrity impersonators== Celebrity impersonators are entertainers who look similar to celebrities and dress in such a way as to imitate them. Impersonators are known a...
• (n.) One who impersonates; an actor; a mimic.
Im·per'son·a`tor noun One who impersonates; an actor; a mimic. 
[n] - someone who (fraudulently) assumes the appearance of another
a person who pretends to be another. · an actor who impersonates specific persons or types of persons as a form of entertainment. · See