There are literal eldritch horrors we do not comprehend. It is why the sun has all the material features of god, yet we see it as a (very large, implacable, thankfully consistent) object, and we don't think about how we must refrain from looking at the sun directly, only that it burns our eyes.

Bertrand Russell's attempt at reducing all of mathematics to a perfect system of logic (until this was proven by Gödel to be impossible) broke him, much the way professors at Miskatonic would go mad trying to model the universe by pondering quaint and curious volumes of forgotten lore.

Myself, I was already pretty mad (diagnosed) when I saw lines being crossed in the US that pointed towards a fascist autocratic future and a purge campaign, and so I took to studying moral philosophy and the Holocaust, specifically the human mechanisms that justified the engagement of and participation in evil. Consequently, I broke my brain even further. Nature, human or otherwise, can be unflinching and ruthless in its efforts to exploit or consume us, which is why we need reciprocal ethics in the first place.

I do not imagine the universe is incomprehensible, only that we are small and still pretty simple, imagining the moon closer and bigger since we see models drawn to disproportionate scale. And so the layperson doesn't understand how difficult it is to launch a probe from one speck so that it drifts for months or years, to fall into an orbit around another speck. It's difficult to imagibe that the stars in a single galaxy, each teeming with satellite objects, are uncountable like the grains of sand on a beach. We know it's a number, but still have to estimate its value with a wide error margin.

It's not forbidden knowlege. The parabolic manifold in which the pillars of R'lyeh stand can be computed, but our hominid brains have to bend a lot, or chain together analogies and metaphors to understand them.

It's like a dog chasing a hyperball, possibly to its peril.

The best explanation I've heard is imagine an ant. All it really does is gather food, eat food, protect the queen, you know, simple stuff. Then it comes across a circuit board. And suddenly the ant is filled with knowledge of how the circuit board works, what electricity is and how the components all work together. Then it goes back to being just an ant again, but it still kind of remembers that knowledge but can't understand any of it anymore. And now it has to try to go on being just an ant again.

This is why Lovecraft's writing was so special, it only really works in written form and allows your brain to do the heavy lifting (though unfortunate that his terror of the unknown came from his deep racism. Don't look up the name of his ~~dog~~ cat 😬).

If people are impressed by the reply in the OP, they should try reading The Shadow over Innsmouth, or At the Mountains of Madness.

No offense to OP, but it makes that look like a child wrote it.

Read books, y'all!

How is that possible? How does the ape fit in a room thinner than itself? This is beyond my comprehension.

How does he fit into the campaign, I wonder:-?

Yes, I fully accept my punishment for this.

Wide Ape, the long awaited sequel to House of Leaves

Unironically Gygas was one such abomination, since it's the most jarring and threatening entity in a video game. Completely different from the in game graphic.

The spirit of the harvest moon from courage the cowardly dog is another one. It jumpscare me as a kid so bad. Edit watch this

https://www.youtube.com/watch?v=_9QdUSCBB_U

I was right all along this cartoon was scary

I love something like the hounds of tindalos.

Not tentacled monsters, but still strange monsters that have very strict limits, yet never give up.

Wide Putin Walking

Impossibly wide dicks out