'''Basic Trope''': An intelligent character pretends to be less intelligent in order to fool people about how effective they are.
* '''Straight''': Alice pretends to be naive and unsuspecting so that Bob will not suspect she is investigating him.
* '''Exaggerated''':
** Alice pretends to be severely mentally retarded so that Bob will not suspect her.
** Alice successfully fakes LaserGuidedAmnesia, and she routinely drops the act whenever she's alone with her friend who is in the know, only to continue the act when someone else enters the room.
** Alice pretends to be excessively unintelligent and intentionally talks funny, as well as pretending to know nothing. She also acts annoying and mimics Bob's sentences when given the chance.
* '''Downplayed''':
** Alice is not very smart, but she exaggerates the extent of her stupidity.
** Alice is smart, but she just feigns slight cluelessness or average intelligence instead of pretending to be outright stupid.
* '''Justified''':
** Alice wants to appear less of a threat to Bob in order to lull him into a false sense of security.
** Bob is expecting investigation and consequently wary of people who appear too smart, forcing Alice to downplay her intelligence in order to avoid suspicion.
* '''Inverted''': FeigningIntelligence.
* '''Subverted''':
** Bob isn't fooled for a second by Alice's 'dumb' act.
** Alice pretends to be naive and unsuspecting, but when she reveals her real self she turns out to be... not so bright.
* '''Doubly Subverted''':
** He's not quite prepared for just ''how'' smart Alice is, however.
** She's BookDumb and bad at forensics, as it turns out. When it comes to ''social'' intelligence and puzzling out motives, she's a prodigy.
* '''Parodied''':
** Alice's a very poor actor, but Bob is nevertheless completely taken in by her.
** Alice is a super genius capable of solving derivatives in her head; however, all she has to do to get people to think she's a dunce is say something like "1 + 1 = 11".
* '''Zig Zagged''':
** Nobody is ever sure whether Alice is a GeniusDitz, an InspectorOblivious, or using ObfuscatingStupidity.
** Alice is a GeniusDitz CloudCuckoolander, but she plays it up to the point where no one is exactly sure how much of this is an act, often coupled with PingPongNaivete.
* '''Averted''': Alice's disguise does not include altering how intelligent she appears.
* '''Enforced''': The actor playing Alice is normally cast as a genius and wants to play against type.
* '''Lampshaded''': "She's not as dumb as he appears to be!"
* '''Invoked''': "He'll never suspect anything if I act like an idiot."
* '''Exploited''': Alice gets out of doing favors for people by pretending to be stupid.
* '''Defied''': "You're not as dumb as you look. ''Nobody'' could be as dumb as you look, and still be as successful as you are. I'm on to you."
* '''Discussed''': "How can someone this dumb be a private investigator?" "Well, she might not be as dumb as she looks..."
* '''Conversed''': "Alice's such an idiot!" "Yeah? Well, so was Series/{{Columbo}}."
* '''Played For Laughs''': When asked what 1 + 1 is, Alice quotes an obscure law of physics.
* '''Played For Drama''': Alice lives in a world affected by TallPoppySyndrome. If anyone powerful thinks she's too clever, they will get rid of her.
* '''Deconstructed''': Alice is so good at playing the part of the fool, nobody takes her seriously even after she drops the act.
* '''Reconstructed''': ...So she continues to act dumb to her advantage. After all, since everyone still doesn't believe her, it gives her the advantage of surprise [[RefugeInAudacity again]].
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[[ObfuscatingStupidity You're not fooling me! I know you're not stupid, Alice!]]
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%% Optional items, added after Conversed, at your discretion:
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%%* '''Implied''': ???