Most Definitely Not a Villain/Playing With

Basic Trope: An impersonation attempt characterized by the impersonator constantly declaring that he/she is the person being impersonated, and will do X because that's what the person being impersonated would do in this situation. And also that he/she is most definitely the person being impersonated and not secretly an impostor/villain/alien/whatever.
 * Straight: The evil alien Dim is attempting to fit into human society to soften up humanity for an Alien Invasion. His way of acting human involves loudly declaring he is human, repeatedly listing his human qualities (such as having pink skin, two legs and not a sulphide-based respiration system) and frequently denying he is an evil alien trying to conquer the world even without being prompted. Nobody notices.
 * Exaggerated: Dim walks around with a giant sign on his back saying 'TOTALLY A HUMAN', without disguise, and gets his facts wrong, such as listing 'photosynthesis' amongst his human qualities. Nobody notices.
 * Justified: Dim is a really, really atrocious actor. And his species has hypnotic powers that makes everyone around them go along with their statements, no matter how outrageous.
 * Inverted: Dim's infiltration attempt involves drawing as little attention to himself as possible: He never speaks up and tries avoiding interactions with humans if at all possible. He is immediately caught for suspicious behaviour.
 * Subverted: Upon being exposed, Dim turns out to actually be human: He just has a mental disorder that makes him act that way.
 * Double Subverted: Except he is really an alien underneath that guise.
 * Parodied: Dim becomes a world-famous celebrity and trend-setter for social behaviour; before long all of humanity acts this way by default, rendering his disguise flawless.
 * Deconstructed: The fact that Dim is able to glide into human society despite his atrocious acting skills is because everyone around him is shallow and self-centred and don't really pay attention to anything he's saying, which the author uses for the purposes of satire.
 * Reconstructed: Dim's eager descriptions of how he is a human and does human things causes his 'fellow humans' to re-examine their own lives and that of others and start caring for each other. Naturally, they're all very grateful towards this exuberant young... Man?... Whose constant cries of "I'm human! I talk with my fellow humans and buy shoes like humans should!" have awakened them to the truths of others.
 * Zig Zagged: Dim's impersonation zig-zags between proper human behaviour and this trope on an irregular basis.
 * Averted: Dim impersonates a human believably and avoids the pitfalls of this trope.
 * Enforced: "Ok, how to make an alien trying to conquer humanity funny and avoid Paranoia Fuel... Step one, make his disguise and mannerisms as Played for Laughs as possible."
 * Lampshaded: "I'm totally a human!" "And I'm the Queen of Sheba."
 * Invoked: Dim acts this way intentionally to draw attention.
 * Defied: Dim's bumbling and stupid sidekick suggests he acts this way to infiltrate humanity. Dim throws him out the airlock for the suggestion.
 * Discussed: "Say, don't you think that guy over there looks a little... Off?" "I don't see how. He's a perfectly normal human and most definitely not an evil villain or anything, as he emphatically proclaimed to me twice when I asked him what time it was."
 * Conversed: "Really, what kind of character would be fooled by such obviously false acting?" "Don't think too much about it; it's clearly Rule of Funny."
 * Played For Laughs: The default state of the trope.
 * Played For Drama: The point of view character is the Only Sane Man who is driven into paranoia over a Cassandra Truth nobody else notices, even as it *should* by all standards be laughably obvious.

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