Ugallu: Ugallu, the Big Weather-Beast, is a Sumerian ud-demon depicted with a lion head and avian feet.

Ugallu - Represents divine intervention through storms and serves as an apotropaic symbol in ancient Mesopotamian culture

Ugallu

Ugallu - Represents divine intervention through storms and serves as an apotropaic symbol in ancient Mesopotamian culture

Ugallu, the Big Weather-Beast, is a Sumerian ud-demon depicted with a lion head and avian feet. He appears in protective amulets and figurines and symbolises divine intervention through storms. His evolving iconography—from human-like to eagle-like features—underscores his mythological significance.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

Ugallu's fluctuating iconography over the centuries illustrates the dynamic evolution of mythological symbols in response to cultural shifts and artistic innovation.

Enjoying this creature? A quick share helps us keep expanding Mythological Creatures. If not, no worries, enjoy the collection.

Limited sponsor opportunity

One slot, carefully chosen partners

We only feature a small number of relevant sponsors at any time. If you create serious myth content, we would like to hear from you.

Partner with us

Quick Creature Info

Associations:

Element: Air/Storm

Our Mythic Legendary Rating:

Mythological Sovereign
Mythological Sovereign rating

Also Sometimes Known As:

ūmu rabûBig Storm

Habitat:

Storms and weatherMesopotamiaAssociated with divine interventions through storms in ancient Mesopotamian cultureSky/Atmospheric phenomena

Supernatural Powers:

Elemental storm controlElectric manipulationSuper strengthImmortality

Physical Attributes:

lion headbird feetshort skirt in later depictionshybrid featuresstorm-associated iconography

Abilities:

Protective qualitiesManifestation of divine interventionImmortalPhysically powerfulAssociated with storm phenomena

Behavior:

Fierce and unpredictableAssociated with stormy divine intervention and used as an apotropaic symbol

Weaknesses:

No specific vulnerabilities noted

Lore:

Divine storm demonSumerian/Akkadian Mesopotamian mythologyRepresents divine intervention through storms and serves as an apotropaic symbol in ancient Mesopotamian culture

Related Creatures, Tales or Lore

References

Discover Another Mythical Legend You May Not Have Heard Of?

Uncover the mysteries of ancient folklore and expand your knowledge of legendary beings from cultures around the world.

Dare to Meet the Bromus....

Curated by the Mythological Creatures Team

Series editor: Mythological Creatures Directory

Primary desk: Hellenic & Ancient Mediterranean Desk

(rev. November 2025)