'''Basic Trope''': [[OurMonstersAreWeird Weird]] monster that [[MindScrew defies]] the established rules of a work's universe.
* '''Straight''': Incomprehensible monster from the darkness outside reality that feeds on human sanity.
* '''Exaggerated''':
** Monster portrayed entirely through incomprehensible NonSequitur.
** Even the monster can't comprehend itself.
* '''Downplayed''': [[OurMonstersAreWeird Weird monster]]; [[StarfishAliens Non-humanoid alien]].
* '''Justified''': Monster is only using some ability or trick to ''appear'' incomprehensible.
* '''Inverted''': [[HumansAreCthulhu Humans are incomprehensible monsters to other beings]].
* '''Subverted''': Incomprehensible monster turns out to actually follow a lot of rules.
* '''Double Subverted''': ...It doesn't actually follow any of those rules we thought it did.
* '''Parodied''': Incomprehensible monster turns out to have harmless or ridiculous goals.
* '''Zig Zagged''': Incomprehensible monster was [[ScoobyDooHoax just a trick]]... by an even more incomprehensible monster. No wait, [[ThroughTheEyesOfMadness I'm just insane]]... [[TwistEnding Or am I?]]
* '''Averted''': Comprehensible monster.
* '''Enforced''': "We haven't really hammered out how the monster works, so let's just have it follow no rules to make it scarier."
* '''Lampshaded''': "Why can't monsters from outside reality ever just adhere to laws of physics or maybe just common sense!?"
* '''Invoked''': Character tries to create or fake an incomprehensible monster.
* '''Exploited''': Character creates or fakes an incomprehensible monster to benefit themselves.
* '''Defied''': A hard to comprehend creature strives to make itself understandable.
* '''Discussed''': "There are no words to describe the sight before me. Such things shouldn't exist. Will I ever sleep again? Will I be given the chance to try?"
* '''Conversed''':
-->'''Bob:''' You can't ''really'' have an incomprehensible monster in a work of fiction. I mean you can't describe something you can't comprehend.
-->'''Alice''': Well what about Uhluthc in ''Mad Mountains''? He was pretty freaky.
* '''Implied''': There are many tales of the incomprehensible monster, and solid evidence to support it's existence, but the heroes haven't encountered it and word of mouth can't agree on a description - or describe the monster at all.
%%* '''Plotted A Good Waste''': ???
* '''Deconstructed''':
** There is no incomprehensible monster, [[ThroughTheEyesOfMadness character is just insane]].
** [[HumansAreCthulhu Humans are just as incomprehensible to the "monster"]].
** Monster is incomprehensible because [[AfterTheEnd reality has been destroyed]].
** Incomprehensible Monster is in such defiance of our universes rules that it [[TorturedMonster can't function properly in our universe.]]
* '''Reconstructed''': Monster only appears incomprehensible because it chooses to.
* '''Played For Laughs:'''
** Since monster is incomprehensible, humans perceive it as silly or inane things. ([[WesternAnimation/SouthPark Taco that poops ice cream,]] etc.)
** Since monster is incomprehensible, humans can't tell it's not actually a threat. ([[{{Discworld/Eric}} It's six inches tall]], etc.)
* '''Played For Drama:'''
** Incomprehensible monster's very existence [[TheEndOfTheWorldAsWeKnowIt will destroy reality]].
** Just perceiving incomprehensible monster [[GoMadFromTheRevelation drives other characters insane]].
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IA IA IA EldritchAbomination FHTAGN!!!
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