What kind of creature is this?
An actual semen demon in its natural habitat.
I think it's called an 'onahole'
I actually thought it was a Digimon until recently.
A wittawawall wabbit.
A Tenga Egg™.
it's a snail
Or a yuri
Something you absolutely can't kill. Once it starts stalking you there's absolutely no way to get rid of it.
A dung beetle, employing clever camouflage to avoid predators, such as accusations of plagiarism
The epitomisation of all your hopes and dreams. Sighting one is rare but wonderful and will grant your deepest desire. Good luck, OP!
It's one of the most terrifying monsters known to mankind: the female reproductive system.
It's a tsundere alien.