impersonator

[ im-pur-suh-ney-ter ]

/ ɪmˈpɜr səˌneɪ tər /

a person who pretends to be another.

an actor who impersonates specific persons or types of persons as a form of entertainment.

RELATED WORDS

First recorded in 1850–55; impersonate + -or²

Myers said in his statement that some of the issues may have come from an impersonator who claimed to be Shadman.
Special Forces’ $77M ‘Hustler’ Hits Back|Kevin Maurer|December 8, 2014|DAILY BEAST
Twitter is jam-packed with fake accounts; nearly every celebrity and big corporation has at least one impersonator.
How I (Digitally) Killed My Twitter Impostor|JoBeth McDaniel|July 21, 2014|DAILY BEAST
Rumors are flying that the resident Romney impersonator will “probably” be leaving the show as well.
Leaving ‘SNL’? Bill Hader, Fred Armisen & Jason Sudeikis|The Daily Beast Video|May 19, 2013|DAILY BEAST
First and most important, Curtis is not just an Elvis impersonator.
Paul Kevin Curtis and J. Everett Dutschke: Epic Feud and Ricin Letters|Winston Ross|April 25, 2013|DAILY BEAST

Some people know Curtis through his passion as an Elvis impersonator, including a snarl and long sideburns.
The Mississippi Man Caught Mailing Ricin-Letters is an Elvis Impersonator|Justin Green|April 18, 2013|DAILY BEAST
Orlando Gibbons was the impersonator of the new spirit; William Byrd was the jealous guardian of the old.
A Short History of English Music|Ernest Ford
"We'll have a good practice to-morrow," said the impersonator.
Bunny Brown and his Sister Sue Giving a Show|Laura Lee Hope
The next act was that of an old man who, on the programme, was called an "Impersonator."
Bunny Brown and his Sister Sue Giving a Show|Laura Lee Hope
In early life he was a clownish sort of boy among the boys—an expert mimic and impersonator.
Indian Heroes and Great Chieftains|[AKA Ohiyesa], Charles A. Eastman
Warble whispered to her neighbor, who chanced to be Avery Goodman, "an impersonator?"
Ptomaine Street|Carolyn Wells

"one who assumes the person or character of another," 1853, from impersonate with Latinate agent noun suffix.