'''Basic Trope''': An intelligent character pretends to be less intelligent in order to fool people about how effective he or she is.
* '''Straight''': Bob pretends to be naive and unsuspecting so that Alice will not suspect he is investigating her.
* '''Exaggerated''': Bob pretends to be severely mentally retarded so that Alice will not suspect him.
* '''Downplayed''': Bob is not very smart, but he exaggerates the extent of his stupidity.
* '''Justified''':
** Bob wants to appear less of a threat to Alice in order to lull her into a false sense of security.
** Alice is expecting investigation and consequently wary of people who appear too smart, forcing Bob to downplay his intelligence in order to avoid suspicion.
* '''Inverted''': FeigningIntelligence
* '''Subverted''':
** Alice isn't fooled for a second by Bob's 'dumb' act.
** Bob pretends to be naive and unsuspecting, but when he reveals his real self he turnes out to be... not so bright.
* '''Doubly Subverted''':
** She's not quite prepared for just ''how'' smart Bob is, however.
** He's BookDumb and bad at forensics, as it turns out. When it comes to ''social'' intelligence and puzzling out motives, he's a prodigy.
* '''Parodied''':
** Bob's a very poor actor, but Alice is nevertheless completely taken in by him.
** Bob is a supergenius capable of solving derivatives in his head; however, all he has to do to get people to think he's a dunce is say something like "1 + 1 = 11."
* '''Zig Zagged''':
** Nobody is ever sure whether Bob is a GeniusDitz, an InspectorOblivious, or using ObfuscatingStupidity
** Bob is a GeniusDitz CloudCuckoolander, but he plays it up to the point where no one is exactly sure how much of this is an act, often coupled with PingPongNaivete
* '''Averted''': Bob's disguise does not include altering how intelligent he appears.
* '''Enforced''': The actor playing Bob is normally cast as a genius and wants to play against type.
* '''Lampshaded''': "He's not as dumb as he appears to be!"
* '''Invoked''': "She'll never suspect anything if I act like an idiot."
* '''Exploited''': Bob 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, he might not be as dumb as he looks.."
* '''Conversed''': "Bob's such an idiot!" "Yeah? Well, so was Series/{{Columbo}}."
* '''Played For Laughs''': When asked what 1 + 1 is, Bob quotes an obscure law of physics.
* '''Deconstructed''': Bob is ''so'' good at playing the part of the fool, nobody takes him seriously even ''after'' he drops the act.
* '''Reconstructed''': ...So he continues to act dumb to his advantage. After all, since everyone ''still'' doesn't believe him, it gives him the advantage of surprise ''[[RefugeInAudacity again]]''.
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[[ObfuscatingStupidity You're not fooling me! I know you're not stupid, Bob!]]
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%% Optional items, added after Conversed, at your discretion:
%%
%%* '''Implied''': ???
%%* '''Plotted A Good Waste''': ???
%%* '''Played For Drama''': ???