[Top 25] Monsters From Greek Mythology

Greek Mythology Monsters
Just a few of the fearsome monsters of Greek mythology.


Greek mythology is famous for its wide variety of intimidating, bizarre monsters.  All of them are fearsome in their own ways, so let’s delve into some of the more iconic beasts and demons.  

1) MinotaurThe fearsome half-man half-bull, the Minotaur roams the Labyrinthe in Crete.

  • The Minotaur is a being with the body of a man and the head of a bull.
  • This creature was birthed by King Minos’ wife, who was disgusted with it.
  • Minos had a giant labyrinth created to store the Minotaur and keep it imprisoned.  He would regularly sacrifice his subjects by sending them into the labyrinth to be killed by his beastly stepson.

2) Lernean HydraThe number of heads on the Hydra varies in different stories, but no matter the head count, this is a fearsome monster.

  • Another famous creature, the Hydra is infamous for its deadly poisons and its multiple heads.
  • This serpent can regrow multiple heads when one is decapitated, and its blood and breath are so poisonous that the smell alone can be deadly.
  • The only way this monster was able to be defeated was by having the stumps of its head burned by fire immediately after being decapitated.

3) Nemean LionThis beast was invulnerable to harm against all weapons, but was weak to its own sharp claws.

  • The Nemean lion was a beast with invincible golden fur and claws sharper than swords.
  • One of Heracles’ famous tasks was to kill the lion, but his arrows bounced harmlessly off of its fur.
  • He was only able to kill it by strangling it, thanks to his godlike strength.
  • Heracles then skinned the lion with its own claw, which allowed him to wear its invincible pelt like armor.

4) MedusaMeeting Medusa's gaze will turn anyone into stone.

  • Medusa was once a regular woman, but was transformed by Athena into a horrid monster with snakes for hair and eyes that turned beings to stone.
  • She, along with her gorgon sisters, were incredibly feared monsters.
  • Her stone gaze ability lingered even after her death. The hero Perseus decapitated Medusa and used her gaze to petrify a fearsome sea serpent.

5) CereberusThe guadian of the Underworld, Cereberus made sure no souls escaped or entered without permission of Lord Hades.

  • Cerberus is the guard dog of the Underworld and the loyal servant of Hades.
  • This dog is known specifically for its three heads, as well as having some snake-features or appendages.
  • Heracles was only able to defeat the guardian by shielding himself with his invincible lion pelt.

6) ChimeraThis monster was composed of multiple creatures, and led to the term chimera being used for any hybrid creature.

  • The Chimera is an odd mix between three animals: the upper body of a lion, the lower body of a goat, and the tail of a snake.
  • This beast has the heads of all three creatures, and is able to breathe fire.
  • It was only bested by Bellerophon thanks to his flying steed, Pegasus.

7) ManticoreThe Manticore was feared for the poisonous darts it could shoot with deadly accuracy.

  • This beast is described as a lion with the head of a man, the tail of a scorpion, and often with the wings of a bat.
  • Its tail is covered in poisonous spines that it can shoot out like arrows.
  • This creature also has origins in Persian and Egyptian mythologies.

8) GriffinThe herds of Griffin were known to hoard gold and battle men over their treasure.

  • Another monster with origins among different cultures, the griffin is a beast with the body and hind legs of a lion, with the front talons, wings, and head of an eagle.
  • They were known for hoarding gold and valuables.
  • Another trait they were known for was their ongoing feud with a one-eyed tribe called the Arimaspi, due to both sides’ love of gold.

9) CharybdisCharybdis would regularly swallow and expel water with enormous force.

  • Charybdis is a sea monster known to be the death of sailors.
  • This monster ]inhales seawater on such a massive scale that it causes inescapable whirlpools.
  • It will then expel blasts of water with tremendous force.
  • It is also known to partner with its fellow sea monster Scylla.

10) ScyllaThe multiheaded monster Scylla would pluck sailers from the decks of their ships and devour them.

  • Scylla’s descriptions haven’t been consistent compared to most monsters, but it is viewed as a beast with four eyes, six long and snake-like necks, heads with three rows of shark’s teeth, twelve tentacled legs, the tail of a cat, and six dog heads ringed around her waist.
  • She would attack ships by grabbing sailors with her mouths and plucking them from the ship.
  • Along with Charybdis, they posed a threat to all ships.  By trying to avoid one of these threats, the ship would sail closer to the other.  Talk about being stuck between a rock and a hard place.

11) CyclopesThere were various forms of Cyclopes, but all were feared for their immense strength and resistance.

  • Cyclopes are giants with one eye, and serve a few different roles throughout Greek mythology.
  • The ancient Cyclopes forged weapons for the gods, like Zeus’ thunderbolts.
  • Lesser Cyclopes were shepherds and would eat men.
  • Another form of lower Cyclopes were wall-builders, which Greeks used to explain walls that people weren’t responsible for.

12) Furies

  • The Furies, also known aThe Furies were hellbent on punishing criminals with their barbed whips.s Erinyes, are monsters older than the gods, with duties of hunting down and punishing criminals.
  • There are traditionally three Furies: Alekto, endless anger, Megaera, jealous rage, and Tisiphone, vengeful destruction.
  • The Furies are depicted as old women with bodies as black as coal, bat-like wings, and whips used to punish their victims. 

13) HarpiesHarpies were personifications of stormy winds, and their bodies were part women and part bird.

  • This is a species of monster that is part woman and part bird.
  • They are the embodiment of stormy, destructive winds.
  • They were said to abduct people and bring them to the Furies for punishment.

14) PythonPython was the ancient dragon guarding the Oracle at Delphi.

  • Python was a mighty dragon, born and living in the center of the earth, the heart of Gaea.
  • The dragon guarded a prophet, the Oracle at Delphi.
  • The dragon is famous for fighting the archery god Apollo, who slew the dragon and inherited the Oracle.  This is how Apollo became the god of prophecies.

15) LamiaLamia would devour children in her madened grief over her own lost children.

  • Similar to Medusa, Lamia was once a regular woman, who was driven mad after Hera kidnapped her children.
  • After going mad with grief, Lamia started abducting other children and devouring them.  Her heinous acts transformed her into a monster, with her lower half becoming a giant snake.
  • Another aspect of Hera’s punishment was that Lamia could no longer sleep, so she would be forced to remember her children at all times.
  • In response to Hera’s punishment, Zeus granted Lamia prophetic powers and the ability to remove her eyes from her head.

16) HecatoncheiresThe Hundred-Handed giants were initially imprisoned in Tartarus due to their horrid appearance and massive strength.

  • The Hecatoncheires were three giants with one hundred arms and fifty faces.
  • They were once imprisoned by the primordial gods and Titans, but were freed by Zeus.
  • They were instrumental in helping Zeus’ fight against the Titans.They hurled hundreds of boulders to bury the Titans.

17) LadonThe dragon Ladon guarded the Apples of Immortality in a garden of nymphs.

  • Ladon was another dragon, entrusted to guard a tree in the Garden of the Hesperides. 
  • Ladon is depicted as a snake-like dragon that is coiled tightly around the tree to protect it from anyone who would try to take its golden apples.
  • The apples it was in charge of guarding were apples of immortality, which would grant everlasting life to whoever ate it.
  • Ladon is known for countering Heracles in his quest to claim three of the golden apples.  In some versions, Heracles slays Ladon, but in others, he is unable to do so and needs to use trickery to retrieve the apples.

18) LeucrocottaThe trickster Leucrocottas could copy the voices of humans.

  • Leucrocotta, also known as crocotta, is a lesser known monster, sometimes described as hyena-like or stag-like.
  • It is said to have cloven hooves, the neck of a lion, and a sharp, bony ridge in place of teeth.
  • This beast is particularly dangerous for its ability to perfectly mimic human speech.

19) Stypmhalian BirdsThe nearly invulnerable birds had feathers and beaks of sharp metal.

  • The Stymphalian birds are a flock of man-eating birds with beaks made of bronze, sharp metal feathers that could be launched like arrows, and poisonous dung.
  • Heracles was tasked with killing these birds, but he could not kill them by traditional means.
  • Instead, Heracles needed an instrument to make a loud sound to scare them into flight.  He then was able to slay them with arrows tipped with a special poison from the Hydra. 

20) KhalkotauroiThe bronze0coated, fire-breathing bulls were only defeated thanks to Medea's magic.

  • The Khalkotauroi, also known as the Colchis bulls, were a pair of massive bulls with hooves and mouths of bronze.  They were able to breathe fire with their bronze mouths.
  • They were created by the forge god Hephaestus as a gift to a king.
  • Their flames were so fierce, the only way Jason was able to slay them was with a magic potion that granted him immunity to fire.

21) Mares of DiomedesThe human-eating horses had a raging nature to match.

  • The Mares of Diomedes were a herd of fierce, mad horses, who could only be contained with iron chains.
  • Their insane temperament was due to the fact that they ate the flesh of intruders.
  • They are also known to breathe fire.
  • It is said that these were the ancestors of Alexander the Great’s horses.

22) EchidnaEchidna was the mother of monsters and feared by all.

  • Echidna is known as the mother of all monsters.
  • From the waist up, she was a beautiful woman, while her legs were two snakey appendages.
  • She, along with her mate Typhon, created the worst monsters in the Greek pantheon.

23) TyphonTyphon was the father of all monsters and waged war on Zeus himself.

  • Similar to Echidna, Typhon is described as having a human-like upper torso with snake tails for legs.
  • He is also said to have many snakes sprouting from his shoulders and the heads of various beasts.
  • Typhon is famous for his battle with Zeus for control over the cosmos.
  • Typhon was defeated and crushed under Mount Etna.  He is now responsible for all of the mountain’s volcanic activity.

24) SirensThe Siren's hypnotic singing would lure many sailors to their deaths.

  • Sirens are widely known monsters from Greek mythology, but their physical appearance is mysterious.
  • They are most often described as mermaid-like or as part-woman part-bird.
  • They sing songs so enticing and beautiful that any sailors who heard the music would be hypnotized and compelled to jump overboard and swim towards the women.
  • These sailors would end up dashing themselves against the sharp rocks that surrounded the beach of the Sirens.  The Sirens would then eat the corpses of the men.

25) EmpusaEmpusa would feed on young men, and were one of the first version of vampires in human mythos.

  • Empusa can be seen as the origin myth behind the modern concept of vampires.
  • They are said to be women with one bronze leg, their other leg often being that of a donkey or ox.
  • They also have the ability to shapeshift, and they were known to seduce and feed on young men.

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