Most Famous Giants in Greek Mythology

Greek mythology is rich with tales of gods, heroes, and monstrous beings, among which the giants hold a significant place. These beings were often depicted as colossal and formidable creatures who opposed the gods and heroes in various myths. Giants in Greek mythology come from several different origins and have distinct characteristics and stories.

10 Major Events in Greek mythology

Below is a comprehensive overview of these most notable giants, focusing on their stories, origins, and roles within the myths.

The Gigantomachy

One of the central events involving giants is the Gigantomachy, a battle between the gods of Olympus and the giants. This conflict is a pivotal moment in Greek myth, representing the struggle between order (the gods) and chaos (the giants).

Origins of the Giants

The giants, or Gigantes, were said to be the children of Gaia (Earth) and Uranus (Sky), born from the blood that fell when Cronus castrated his father Uranus. Gaia, angered by the Olympian deitieshe, urged her giant sons to rise against them, leading to the Gigantomachy.

Notable Giants in the Gigantomachy

Below are some of the most famous giants that fought in the Gigantomachy:


Alcyoneus was a formidable giant in Greek mythology. He was renowned as one of the most powerful adversaries in the Gigantomachy. Born from Gaia, the Earth, he was considered immortal as long as he remained in his homeland. Alcyoneus played a pivotal role in the conflict by stealing the cattle of Helios, the sun god, which led to a direct confrontation with Heracles. Notably, Heracles discovered that Alcyoneus could only be defeated by being removed from his land of birth, thus exploiting his conditional immortality.

Upon dragging Alcyoneus away from his homeland, Heracles was able to slay him, highlighting the cleverness and strength of the hero. Alcyoneus’ story exemplifies the themes of invulnerability, heroism, and the ingenuity required to overcome seemingly insurmountable challenges in mythology.

Famed ancient Greek writer Apollodorus dubbed Alcyoneus the foremost among giants. Towering at over 12 feet with unmatched strength and resolve, he possessed conditional immortality, bound to Phlegra, the giants’ land.

Alcyoneus is an immortal giant who had to be dragged away from his homeland to be killed, as he would come back to life if he fell on his native soil. Heracles (Hercules) played a crucial role in his defeat. Image: A sculpture work portraying Heracles (left) and Alcyoneus (right).


In Greek mythology, Enceladus is particularly noted for the dramatic manner of his defeat. According to the story, Athena, the goddess of wisdom and warfare, hurled a huge piece of the Sicilian island at him, burying him beneath Mount Etna. In some accounts, Athena’s father, Zeus, was the one who delivered the final blow to Enceladus.

It is said that Enceladus’s restless movements underground are the cause of earthquakes and volcanic eruptions, particularly those of Mount Etna, linking him to natural disasters.

This mythic imagery portrays Enceladus not only as a symbol of chaotic and destructive natural forces but also as a testament to the Olympian gods’ victory and order over primordial chaos.

In the myths, Enceladus is said to be buried under Mount Etna in Sicily. His movements are thought to cause earthquakes and eruptions. He was defeated by Athena, who buried him under the mountain. Image: An ancient Greek artwork showing Enceladus’ encounter with Athena (left).

Did you know…?

The association between Enceladus and seismic activity is so ingrained in Greek culture that earthquakes are sometimes referred to as “a strike of Enceladus.”


Asterius (also known as Aster or Astarius) was a giant in Greek mythology. It was believed that he towered at over 14.5 feet. He was the son of the giant Anax.

Renowned for his invulnerability and heroic valor in the Gigantomachy, Asterius met his demise at the hands of Athena, the goddess of war and wisdom. It is said that Athena not only killed Asterius but also flayed him, using his resilient skin to fortify her Aegis, a shield that symbolized her protection and strength.

This act of Athena signifies her strategic prowess and the importance of divine intervention in the mythological battles between gods and giants.


Known for his role in the Gigantomachy, Polybotes was distinguished by his immense size and strength, embodying the primal chaos opposing divine order. According to myth, Polybotes was pursued across the sea by Poseidon, the god of the sea, earthquakes, and horses.

In a dramatic confrontation, Poseidon cleaved off part of the island of Kos with his trident and hurled it at Polybotes, crushing him beneath. This act not only demonstrates Poseidon’s might but also symbolizes the gods’ ultimate victory over the forces of disorder, securing their supremacy in the cosmos.

Pursued by Poseidon, the giant Polybotes was eventually crushed under the island of Nisyros, a part of the island of Kos that Poseidon broke off and hurled at him. Image: The battle between Polybotes (right) and Poseidon.

Other Famous Giants

Beyond the Gigantomachy, Greek mythology features other giants, each with unique tales.


Typhon, often considered the deadliest monster in Greek mythology, was a giant serpentine creature who challenged Zeus for the rule of the cosmos. After a cataclysmic battle, Zeus finally defeated Typhon, imprisoning him under Mount Etna or Tartarus. Typhon’s battles with Zeus symbolize the clash between order and chaos, with Zeus’ victory cementing the rule of the Olympian gods.

The Cyclopes

The Cyclopes were another group of giants, known for their single eye in the middle of their forehead. They were divided into two groups: the elder Cyclopes, who were blacksmiths and craftsmen of the gods, and the younger, more savage Cyclopes. In Homer’s “Odyssey”, one of the younger Cyclopes Polyphemus had an encounter with the hero Odysseus.

The elder Cyclopes were crucial in the gods’ victory over the Titans, as they forged Zeus’ thunderbolts, Poseidon’s trident, and Hades’ helm of darkness.

Zeus: Myths, Power & Facts

The Hecatoncheires

The Hecatoncheires, or “Hundred-Handed Ones,” were giants with a hundred arms and fifty heads. Sons of Gaia and Uranus, they were initially feared and imprisoned by their father.

Later, during the Titanomachy, Zeus freed them, and they fought alongside the Olympians, using their immense strength and multitude of arms to hurl massive rocks at the Titans, contributing significantly to the gods’ victory.

Creation of man in Greek mythology


How did the giants in Greek mythology come to be?

The giants in Greek mythology are the offspring of the Titans Gaia and Uranus. They were formidable creatures embodying chaos and raw power.

Their genesis followed the blood of Uranus spilling onto Earth, birthing around 100 giants at Phlegra (Pallene). Each came in varying sizes but all possessed immense strength.

What are some of the main myths about the giants in Greek mythology?

Central to their lore is the Gigantomachy, a cataclysmic battle where they faced, but ultimately lost to, the gods of Mount Olympus.

This conflict underscores their narratives, showcasing their rebellious nature against divine order.

What powers did they possess?

Despite their varied sizes, not all being giants in the literal sense, their collective might and quarrelsome demeanor made them significant adversaries to the gods. Among these giants, a few stand out in myths, remembered for their extraordinary tales of defiance, power, and the inevitable fall, marking their place in the rich tapestry of Greek mythology.

How was Alcyoneus defeated by Heracles?

During the Gigantomachy, Alcyoneus was wounded by an arrow from the Greek hero and demigod Heracles, who then cunningly dragged Alcyoneus from Phlegra to ensure his demise.

Devastated by their loss, Alcyoneus’ seven daughters (the Alcyonides) leapt into the sea, where they were transformed into halcyons by Amphitrite.

Alcyoneus himself was said to be buried under Mount Vesuvius, capable of unleashing fiery eruptions at will.

Who was Polybotos and how was he defeated?

Polybotos was among the most formidable giants in Greek mythology. He was often depicted as a monstrous sea creature. Spanning 18-22 meters, his body was adorned with poisonous spikes, extending into a fish-like tail, while his cavernous mouth housed lethal teeth.

His eyes, capable of glowing underwater, struck terror in the hearts of sailors by night. Polybotos wielded the power to summon devastating sea-storms and hurricanes, posing a significant threat to maritime ventures.

His archenemy, Poseidon, the god of the sea, engaged in epic battles with him across the oceans. The climax of their rivalry saw Poseidon trapping Polybotos beneath an island hurled onto him, effectively neutralizing the giant’s menace and ending his reign of terror over the seas.

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