30 Cosmic Horror Creatures from Lovecraftian Lore

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Horror expert Sydney Bermudez goes over the most well-known & terrifying creatures featured in H.P. Lovecraft’s stories

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IN THIS ARTICLE

1 Cthulhu

2 Nyarlathotep

3 Azathoth

4 Night-Gaunts

5 Dagon

6 Yog-Sothoth

7 Shoggoths

8 Nodens

9 Yig

10 Ghast

11 Mi-go

12 Bokrug

13 Ghatanothoa

14 Gloon

15 Shub-Niggurath

16 Mother Hydra

17 Shantaks

18 Gnoph-Keh

19 Rhan-Tegoth

20 Tsathoggua

21 Thunn’ha

22 Zvilpogghua

23 Great Old Ones

24 Elder Gods

25 Deep Ones

26 Outer Gods

27 Dimensional Shamblers

28 Dunwich Horror

29 Hunting Horrors

30 Spiders of Leng

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Co-authored by Sydney Bermudez and Raven Minyard, BA

Last Updated: August 18, 2026 Fact Checked

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H.P. Lovecraft’s cosmic horror is known for evoking feelings of dread, especially because of the unknowable entities that are far beyond human comprehension. The creatures he created have continued to fascinate audiences, so much so that other writers have continued to add to the Cthulhu Mythos. In this article, we partnered with a horror expert to compile a list of Lovecraft’s most notable gods and monsters and what makes them so terrifying.

Lovecraftian Monsters

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Horror expert Sydney Bermudez says some of the most terrifying creatures from H.P. Lovecraft’s stories are Cthulhu, a cosmic entity that can drive people to madness; Nyarlathotep, a manipulative being that can take human form; Azathoth, a being that represents pure chaos; and Shoggoths, a shape-shifting creature.

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1

Cthulhu

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1. 
   Cthulhu is the most well-known of all Lovecraftian creatures, notes Bermudez. It’s a massive cosmic entity whose mere presence can drive people to madness. Cthulhu is the physical manifestation of chaos and destruction, and is described as having the upper body of a man, webbed wings, and the head of an octopus. It has tentacles where its mouth should be. Cthulhu is one of the Great Old Ones and is worshipped by cults all over the world.

   • First appearance: “The Call of Cthulhu” by H.P. Lovecraft (1928)

   Meet the wikiHow Expert

   Sydney Bermudez is a horror and urban legends expert who shares paranormal cases, internet mysteries, and psychological horror stories to her over 400k followers.
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2

Nyarlathotep

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1. 
   Nyarlathotep is a deceptive and manipulative being that often takes human forms, making it one of Lovecraft’s most active and unsettling villains, explains Bermudez. Also known as the Crawling Chaos, it’s described as having a thousand forms. Nyarlathotep also acts as a messenger for the Great Old Ones.

   • First appearance: “Nyarlathotep” by H.P. Lovecraft (1920)

3

Azathoth

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1. 
   Also known as The Blind Idiot God, Bermudez says Azathoth exists at the center of the universe and represents pure chaos on a cosmic scale. It is a giant mass of tentacles that is said to have unintentionally created the universe. Azathoth is believed to be unintelligent and unaware of the pain that it causes, which makes it even more dangerous. Flute music puts it into a deep slumber.

   • In Lovecraftian lore, its true name is so horrible that everyone uses Azathoth as a placeholder.
   • Other nicknames for Azathoth include The Nuclear Chaos and The Daemon Sultan.
   • First appearance: “The Dream-Quest of Unknown Kadath” by H.P. Lovecraft (1943)
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4

Night-Gaunts

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1. 
   Night-Gaunts are faceless humanoid creatures with black, leathery skin, horns, bat-like wings, and a barbed tail. They’re totally silent and are said to tickle their victims with their large talons. Night-Gaunts serve various gods in Lovecraftian lore, including Nodens.

   • First appearance: “The Dream-Quest of Unknown Kadath” by H.P. Lovecraft (1943)

5

Dagon

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   Dagon is a 50-foot-tall aquatic humanoid with the face of a fish. It is likely a Great Old One or an overgrown Deep One, though this is up for debate. Dagon, alongside Mother Hydra and Cthulhu, is worshipped by the Deep Ones, and it seeks to cause the downfall of humanity.

   • First appearance: “Dagon” by H.P. Lovecraft (1919)
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6

Yog-Sothoth

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1. 
   Yog-Sothoth is an Outer God also known as the Lurker at the Threshold, Opener of the Way, Beyond-One, All-in-One, and One-in-All. Yog-Sothoth is all-knowing and all-seeing and is considered the embodiment of time and space. It typically appears as a group of glowing orbs and uses various avatars (such as Aforgomon and ‘Umr at-Tawil) to do its bidding.

   • First appearance: The Case of Charles Dexter Ward by H.P. Lovecraft (1943)

7

Shoggoths

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   Shoggoths are shape-shifting masses of protoplasm capable of forming eyes, mouths, and limbs at will, Bermudez explains. So, their unnatural appearance makes them particularly disturbing. They were created by a race of aliens known as the Elder Things to build cities and mindlessly perform tasks. The Shoggoths eventually revolted.

   • First appearance: At the Mountains of Madness by H.P. Lovecraft (1936)
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   Sydney Bermudez

   Horror Expert

   Sydney Bermudez is a horror content creator and Mexican folklore and urban legends expert. Sydney is a storyteller, who crafts engaging narratives that explore paranormal cases, internet mysteries, and psychological horror. She shares content on TikTok and Instagram to over 400k followers. Sydney specializes in horror storytelling, Mexican folklore, creepy pastas and urban legends, and is interested in how horror intersects with pop culture, social media trends, and modern myth-making. Her videos have received over 12 million likes on TikTok, with some videos reaching over 10 million views.

   

   Sydney Bermudez
   Horror Expert

   What makes Lovecraft’s creatures so memorable is that they aren’t simply monsters. Rather, they represent forces far beyond human understanding. Lovecraft’s stories often focus on the fear of the unknown and the unsettling idea that humanity is only a tiny part of a vast, indifferent universe.
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8

Nodens

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1. 
   Nodens, or the Lord of the Great Abyss, is an ancient, powerful deity who appears as a human man with long white hair and a beard. He drives a chariot and hunts down the servants of the Great Old Ones. He’s also sometimes known to help out humans.

   • First appearance: “The Strange High House in the Mist” by H.P. Lovecraft (1931)

9

Yig

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   Yig, also known by the epithets The Father of Serpents and the Snake-God, is a giant snake with human arms. He’s extremely protective of all snakes and serpents on Earth and will punish anyone who harms them, typically by killing them or turning them into a snake.

   • First appearance: “The Curse of Yig” by H.P. Lovecraft and Zealia Bishop (1929)
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10

Ghast

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1. 
   Ghasts are humanoids that live in the vaults of Zin and are hunted by the Gugs. They travel in packs and hide from light, as the sun can weaken or kill them. Ghasts have sharp hooves and move by hopping. They use their knowledge of underground networks to hunt and trap their prey.

   • First appearance: “The Dream-Quest of Unknown Kadath” by H.P. Lovecraft (1943)

11

Mi-go

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   The Mi-go are fungal, alien lifeforms that resemble human-sized insects. Their wings allow them to quickly travel through space, and they supposedly cannot be captured on standard recording devices because the substance their bodies are made of won’t show up. Their exact origins are unknown, but they have an established colony on the planet Yuggoth. They’re said to worship the Outer Gods Shub-Niggurath and Nyarlathotep.

   • First appearance: “The Whisperer in Darkness” by H.P. Lovecraft (1931)
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12

Bokrug

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   Bokrug, or the Great Water Lizard, is a giant lizard deity worshipped by the Thunn’ha. Bokrug is usually benevolent, but if its worshippers are harmed, it becomes intent on revenge. In “The Doom That Came to Sarnath,” it waited 1000 years to destroy Sarnath after its human residents slaughtered the Thunn’ha.

   • First appearance: “The Doom That Came to Sarnath” by H.P. Lovecraft (1920)

13

Ghatanothoa

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1. 
   Ghatanothoa is a Great Old One and the firstborn child of Cthulhu and Idh-yaa. It’s so hideous that anyone who looks at it (or even a photo of it) will become immobilized for eternity, even as they remain fully conscious. Ghatanothoa has been trapped on Mu, a lost continent at the bottom of the Pacific Ocean, for thousands of years.

   • First appearance: “Out of the Aeons” by Hazel Heald (ghostwritten by H.P. Lovecraft)
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14

Gloon

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   Gloon, also known as the Corruptor of Flesh and the Master of the Temple, is a Great Old One who appears as a bloated, leathery slug, although it often uses Greek statues as avatars. Gloon is imprisoned in the lost continent of Atlantis, but those who touch its statues experience strange dreams that compel them to search for the ruins.

   • First appearance: “The Temple” by H.P. Lovecraft (1920)

15

Shub-Niggurath

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1. 
   Shub-Niggurath, or the Goat of the Woods with a Thousand Young, is a deity from Lovecraftian fiction. She isn’t described by Lovecraft himself, but later writers classify her as a Great Old One or an Outer God. She’s said to be a fertility deity that appears as a large, cloud mass with black tentacles, mouths that drip slime, and writhing goat legs.

   • First appearance: “The Last Test” by H.P. Lovecraft and Adolphe de Castro (1928)
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16

Mother Hydra

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   Mother Hydra, sometimes known simply as Hydra, is a giant humanoid with scaled skin and the face of a fish. She, Dagon, and Cthulhu make up the “holy trinity” that is worshipped by the Deep Ones. It is unknown if she is a Great Old One or an overgrown Deep One.

   • First appearance: The Shadow Over Innsmouth by H.P. Lovecraft (1931)

17

Shantaks

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   Shantaks are bird-like creatures that are larger than elephants and have reptilian skin, bat wings, and the head of a horse. They live in the Cold Wastes of the Dreamlands and are sometimes used as mounts by those who live there. Many serve the Outer God Nyarlathotep or the Great Old One Ithaqua. The Elder God Nodens often kills them for sport.

   • First appearance: “The Dream-Quest of Unknown Kadath” by H.P. Lovecraft (1943)
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18

Gnoph-Keh

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   Gnoph-Keh was spawned by the Great Old One Aphoom-Zhah and may be the first of the Gnoph-keh race. It resembles a 6-legged polar bear with a horn like a narwhal. Gnoph-Keh is said to be cannibalistic and is imprisoned beneath Hyperborea, or Greenland.

   • First appearance: “The Horror in the Museum” by H.P. Lovecraft and Hazel Heald (1932)

19

Rhan-Tegoth

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1. 
   Rhan-Tegoth is a Great Old One that is 15 ft (4.57 m) long with a globular thorax, 3 eyes, and 6 limbs with crab-like claws. Compared to the other Great Old Ones, it isn’t very powerful. It originated on Yuggoth and later lived in Alaska, where it was worshipped by the Gnophkeh, before falling into a millennia-long sleep. It was later spotted in the United States in the 1990s, though it hasn’t been seen since.

   • First appearance: “The Horror in the Museum” by H.P. Lovecraft and Hazel Heald (1932)
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20

Tsathoggua

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   Tsathoggua, or the Sleeper of N’Kai, is a Great Old One that resembles a large, black toad with fur. It can shapeshift, and its true form is incomprehensible to mortals. Tsathoggua is lazy and prefers to wait for sacrifices rather than seeking victims itself. It originated in the Xoth star system and now resides in the cavern of Yoth on Earth, where it is worshipped by the Serpent Men.

   • First appearance: “The Whisperer in Darkness” by H.P. Lovecraft (1931)

21

Thunn’ha

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   The Thunn’ha were a race of intelligent, frog-like humanoids, though they no longer exist. Because they’re long-dead, not much is known about them, but they were a peaceful race who descended from the moon to live on Mnar. They lived in peace with humans for a while, but eventually the Men of Mnar wiped them out to mine their ore.

   • First appearance: “The Doom That Came to Sarnath” by H.P. Lovecraft (1920)
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22

Zvilpogghua

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   Zvilpogghua, also known as the Feaster from the Stars or the Star Beast, takes the form of a giant, bipedal toad with wings instead of arms. Its face is covered in tentacles. The ancient Native Americans called it Ossadagiwah and summoned it for help during dire times. It now lives on the planet Yrautram.

   • First appearance: The Lurker at the Threshold by August Derleth, based on fragments by H.P. Lovecraft (1945)

23

Great Old Ones

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   The Great Old Ones are ancient, powerful creatures who were formed from the fabric of the universe. They’re often worshipped as gods by cults, and they can influence the minds of humans and other sentient creatures. Those who look upon their true form are said to go insane, and they’re shown to be hostile toward mortals.

   • Some of the Great Old Ones include Cthulhu, Cythylla, Abholos, Gla’aki, Gloon, Idh-yaa, Y’golonac, Yig, and Zvilpogghua
   • Some Great Old Ones were created by other writers, not H.P. Lovecraft. They were later added to the Cthulhu Mythos.
   • First appearance: “The Call of Cthulhu” by H.P. Lovecraft (1928)
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24

Elder Gods

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   The Elder Gods are ancient deities who are enemies of the Outer Gods and Great Old Ones. They’re generally considered benevolent, though most care little about mortal creatures. After a war with the Great Old Ones, the Elder Gods chose to imprison them rather than kill them.

   • Some Elder Gods include Bast, Kthanid, Nodens, Yad-Thaddag, and Yaggdytha.
   • Not all of the Elder Gods were created by H.P. Lovecraft; some were invented by other writers and added to the Cthulhu Mythos.
   • First appearance: Though Lovecraft invented characters that are Elder Gods, he never actually used the term. It was actually coined by his colleague August Derleth.

25

Deep Ones

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   According to Bermudez, The Deep Ones are amphibious creatures that live beneath the sea and are known for their eerie connections to human bloodlines. They are humanoids with scales, webbed feet, and heads that resemble frogs or fish. The Deep Ones are immortal beings who can only die as a result of violence. Legend says they came to Earth from a distant solar system, and they now live in cities under the ocean. The four known cities are Y’ha-nthlei, Y’hloa, G’ll-Hoo, and Ya’ Dich-Gho.

   • First appearance: The Shadow Over Innsmouth by H.P. Lovecraft (1931)
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26

Outer Gods

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   In Lovecraftian lore, the Outer Gods are ancient, powerful beings who have existed for thousands of years. They’re believed to have goals and motivations, though these are unknowable to humans. They’re generally considered to be malevolent, and they’re ruled by Azathoth.

   • Some of the outer gods include Azathoth, Blackness from the Stars, C’thalpa, Cxaxukluth, Ghroth, Mh’ithrha, Star Mother, Yibb-Tstll, and Yog-Sothoth.
   • Not all Outer Gods were created by H.P. Lovecraft himself; some were created by other writers and added to the Cthulhu Mythos.
   • First appearance: “The Other Gods” by H.P. Lovecraft (1933)

27

Dimensional Shamblers

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   Dimensional Shamblers, or Hunters from Beyond, are an alien species from a lower dimension. They’re humanoid creatures with a hunched back, leathery gray skin, yellow eyes, and fangs. Though they have a physical appearance, they don’t actually have a corporeal form on Earth, so it’s almost impossible to defeat them.

   • Dimensional shamblers can be summoned through ancient rituals and can drag their victims to their original dimension to consume their souls.
   • First appearance: “The Horror in the Museum” by H.P. Lovecraft and Hazel Heald (1932)
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28

Dunwich Horror

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   The Dunwich Horror is a creature that is typically invisible, and its true form causes anyone who sees it to go mad. Its mother was a woman named Lavinia Whateley, and its father was the Outer God Yog-Sothoth. It was hidden away in a farm until its family died, then escaped and began eating both farmers and livestock. It was eventually stopped by an ancient ritual from the Necronomicon.

   • First appearance: “The Dunwich Horror” by H.P. Lovecraft (1929)

29

Hunting Horrors

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   The Hunting Horrors are large serpent-like beings with wings and distorted heads. Their physical form constantly changes, which makes it hard to focus on them. They act as attack dogs for Nyarlathotep and will turn to ash when exposed to light.

   • First appearance: “The Dream-Quest of Unknown Kadath” by H.P. Lovecraft (1943)
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30

Spiders of Leng

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   The Spiders of Leng are giant purple spiders; the smallest are the size of a Shetland pony, while larger ones are bigger than an elephant. Like regular spiders, they spin webs to capture their victims and have a venomous bite. They once ruled over the Plateau of Leng in the Dreamlands, though they retreated to the southern mountains after a war with the Men of Leng.

   • First appearance: “The Dream-Quest of Unknown Kadath” by H.P. Lovecraft (1943)

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  Which Lovecraft creature do you find the scariest?

  

  Wade Von Hemel

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  Azathoth might be the scariest because they are said to have unknowingly created the universe and remain oblivious to their cosmic power.

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