Supernatural: 10 Scariest Monsters, Ranked by How Likely They Are to Haunt Your Dreams

Supernatural fans definitely remember those episodes that made you double-check your doors or maybe give that shady-looking mirror in your hallway the side-eye. We've all had those spine-tingling moments thanks to the show’s spine-chilling monsters.

With Halloween around the corner, it's the perfect time to remember those creepy creatures.

10. Shapeshifters

Shapeshifters are literally identity thieves. One minute you're having a good time with your bestie, and the next, they might be the creature trying to have you for dinner.

It’s the fear of not knowing if the person right next to you is actually who they say they are. The most terrifying part is seeing them change — when they shed their skin.

9. Bloody Mary

Maybe you tried the “say her name three times” game in front of the mirror at sleepovers, but Supernatural took this tale and spun it into a nerve-wracking yarn.

When the spirit of Mary Worthington, a woman who died staring into a mirror, with her scarred face and vindictive nature, comes for those who’ve spoken ill of the dead, she doesn't just spook — she delivers retribution.

8. Soul Eaters

These guys are legit terrifying. Soul Eaters don’t just want your life; they want to feed on your very essence. The whole concept of being trapped in some creepy, time-warped house while a monster munches on your soul is scary enough.

The design of the creature, with its pale, distorted features, is a macabre representation of the souls it's consumed. They make you wonder: what's worse than death? Perhaps it's being trapped in an endless, distorted void.

7. Djinns

Djinns might have ruined the word “genie” for many. Instead of the classic three wishes deal, these beings take a much creepier route: they make fake dream worlds that lull their prey to sleep while they munch on their blood in the real world.

They've got this eerie blue skin with all these ancient tattoos, which just screams old-school evil. And the thought of getting stuck in a dream that seems perfect but turns out to be a nightmare is enough to give you goosebumps.

6. Doc Benton

Doc Benton is a different kind of scary. He isn’t exactly a supernatural monster; he’s a dude who figured out how to live forever by transplanting organs. Every time he gets a boo-boo, he just snags a new part.

But let’s be honest, the thought of someone chasing after your liver is straight-up horrifying. Benton doesn’t need magic when he has surgical precision and unsettling persistence. Every scene with him was a chilling blend of medical horror and historical darkness.

5. Changelings

Changelings exploit one of our most primal fears: the safety of our loved ones. Kids can be creepy sometimes, but these guys replace your sweet children with perfect lookalikes, all while the real ones are trapped and being used as food.

Their true forms, with hollow eyes and sharp teeth, betray a sinister appetite. Every time those shiny eyes appeared on screen, it was an instant shudder.

4. Hell Hounds

Invisible doggies from hell, what can be worse? Hell hounds are super terrifying mainly because, well, you can't see them. Just imagine hearing those claws, the growling, and knowing something is coming for you, but you have no idea what and where it is.

That spine-tingling anticipation of an impending attack without knowing where it's coming from, — that's the Hell Hound's specialty.

3. Wendigo

Whoever said camping was fun probably never met a Wendigo. This tall, gaunt creature from Native American lore is an embodiment of hunger and cold. They're unnaturally tall, insanely fast, and have an undying love for, well, munching on people.

Once human, now transformed after resorting to cannibalism, these guys are downright terrifying. Their elongated limbs, sunken eyes, and insatiable hunger are enough to give a good scare.

2. Leviathans

First off, their black goo form is plain nasty. But worse, once they take human shape, they’re nearly indestructible. These guys made the Winchesters ' life a living nightmare. Yes, they eat humans and can mimic anyone.

Leviathans are like that stain you can’t get out of your favorite shirt, but a zillion times worse. They're super strong, super sneaky, and have this weird chomp-chomp thing they do when they're snacking on people.

1. Sirens

Ever heard the phrase, "too good to be true"? Well, Sirens epitomize that. They lure you in, make you see and hear things, and manipulate you into believing they're your heart's desire. And just when you think you’ve found your perfect match or best friend, they show their true monstrous form.

And believe it or not, their true form is really disturbing. They tap into what you really want, twist it around, and make you see things that aren’t real. It's not just their power that's freaky; it's the mind games they play.