One who fakes something.
A friendly unit (usually aircraft) that acts as a hostile unit in a military exercise.
A snake oil salesman; one who makes exaggerated claims about a product he sells.
An impostor or impersonator.
A person who seeks to deceive others.
A user account on a social networking site with a profile containing information of a false, satirical, or promotional nature.
A person who affects a behavior, style, or attitude.