Cacus: Cacus was a fire-breathing giant in Greek and Roman mythology.

Cacus - Symbolises chaos and the destructive power of fire, ultimately subdued by heroic order through Hercules.

Cacus

Cacus - Symbolises chaos and the destructive power of fire, ultimately subdued by heroic order through Hercules.

Cacus was a fire-breathing giant in Greek and Roman mythology. He terrorised the Aventine Hill before Rome's founding. His reign ended when Hercules defeated and killed him.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

Cacus is one of the few mythological giants whose fire-breathing ability directly connects him to the elemental forces of both creation and destruction.

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Quick Creature Info

Associations:

Element: FireFlames

Our Mythic Legendary Rating:

Mystical Awakening
Mystical Awakening rating

Also Sometimes Known As:

Caccus

Habitat:

Lair in a cave on the Aventine HillCaveEarthTerrestrialAncient ItalyTerrorised the area before the founding of RomeHilly regionAventine HillAventine region

Supernatural Powers:

Fire breathing

Physical Attributes:

fire-breathingmassive buildfiery auracolossal statureintimidating presence

Abilities:

Immense strengthintimidating presenceControl over firePhysical power

Behavior:

Aggressive and malevolentTerrorized local populations around the Aventine Hill

Weaknesses:

Mortality and vulnerability to heroic combat

Lore:

Antagonist/MonsterGreek and RomanSymbolises chaos and the destructive power of fire, ultimately subdued by heroic order through Hercules

Related Creatures, Tales or Lore

References

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Curated by the Mythological Creatures Team

Series editor: Mythological Creatures Directory

Primary desk: Hellenic & Ancient Mediterranean Desk

(rev. November 2025)