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Illustration du Dictionnaire infernal par Louis Le Breton.

Cacodemon

In its own language: κακοδαίμων (kakodaimōn)

from Ancient Greek kakodaimōn, meaning evil spirit

An ancient Greek evil spirit, depicted as a horned youth and used in literature and games.

Legendary

Photo: Louis Le Breton, Public domain, via Wikimedia Commons

A cacodemon is an evil spirit or demon from Greek mythology, the opposite of a good spirit called an agathodaemon. The term describes a malevolent force believed to shapeshift, and it appears in psychology, astrology, and modern fiction.

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  • From Greek kakodaimōn meaning evil spirit
  • Opposite of the good spirit agathodaemon
  • Depicted as a horned youth in Greek myth
  • Twelfth astrological house was once named Cacodemon
  • First known written use dates to 1593

What it is

A cacodemon is an evil spirit or demon in Greek mythology. It stands as the direct opposite of an agathodaemon, which represents a good spirit or angel. While the general Greek word daimon referred to a neutral spiritual entity, the prefix kakos marks this figure specifically as malevolent. In some accounts, the term also describes a wicked person rather than just a supernatural being. These spirits are said to possess the ability to change their form at will.

Where it comes from

The word enters English through Latin from the Ancient Greek kakodaimōn. It literally translates to an evil spirit. The concept originates in ancient Greece, where daimons were common figures in religious belief. The specific label for an evil variant has been attested in written records since 1593. Earlier classical texts established the distinction between good and bad spiritual forces that later scholars would categorize under these terms.

Cacodemon, drawn and placed

Emblem With the feather shape. Drawn from this page, not a photograph.
  1. Living
  2. Revived
  3. Fading
  4. Historical
  5. Legendary
  6. Performed
Standing: Legendary Known from myth, story and legend rather than from recorded practice. This says whether people still do it, not whether it works.
A feather: used in cleansing and blessing in some traditions, worn as a sign of office, and carried as a charm.
Lineage
Ancient Greek religion
Where it sits The tradition it belongs to, and when it is done.

What it is for

In classical thought, cacodemons represented harmful forces or malevolent influences. They were contrasted with benevolent spirits that offered protection or guidance. Later usage in literature applied the term to villains who manipulated others or committed foul deeds. In psychological contexts, the related term cacodemonia described a condition where a patient believed they were possessed by such an evil spirit.

Who does it

Scholars and writers have studied the concept rather than practitioners performing rituals. Jane Davidson noted illustrated examples in monster histories. The term appears in literary criticism and medical definitions. No living tradition claims to summon or banish these beings as part of a current ritual practice.

Peoples and places

The concept belongs primarily to Greek mythology and ancient Greek religion. It appears in Malta in historical contexts, likely through cultural exchange. Modern authors and game designers have adopted the term for fictional works. William Shakespeare used it in Richard III, and John Fletcher employed it in The Knight of Malta. Contemporary video games and novels continue to use the name for enemy characters.

At a glance: who, where and when

Peoples

What people believe

Ancient Greeks viewed daimons as intermediaries between gods and humans. A cacodemon was a negative version of this force. Believers held that such spirits could cause harm or misfortune. The idea of shapeshifting suggests a deceptive nature. In astrology, the twelfth house was once called the Cacodemon due to its association with evil. This reflects a worldview where spiritual forces influenced human fate.

How scholars and sceptics see it

Psychologists use the term cacodemonomania to describe insanity involving beliefs of possession by an evil spirit. Historians track the word's first known occurrence to 1593. Jane Davidson analyzed illustrations in Ulisse Aldrovandi's Monstrum Historia from 1696. Scholars note the shift from a neutral daimon to a specifically evil cacodemon in later interpretations of Greek myth.

Compare and confuse

The cacodemon is often compared to the agathodaemon, its benevolent counterpart. It shares traits with other demonic figures in Western culture but retains its specific Greek etymology. In modern media, it resembles generic demons but keeps the classical spelling variations. The term is distinct from jinn in Arab culture, though both represent supernatural beings.

Today

The term survives in literature, art, and entertainment. Paul Klee painted a work titled Cacodaemonic in 1916. Video games like Doom feature cacodemon enemies. Rick Riordan novels include them as embodiments of emotion. The word remains a recognized part of English vocabulary for describing evil spirits or malicious people.

Questions people ask about Cacodemon

What is a cacodemon?

A cacodemon is an evil spirit or demon from Greek mythology. It is the opposite of an agathodaemon, which is a good spirit. The term can also refer to a wicked person.

Where does the word come from?

It comes from the Ancient Greek word kakodaimōn, meaning evil spirit. It entered English via Latin. The root daimon meant a neutral spirit in Greek.

How is a cacodemon depicted?

In Greek mythology, it is shown as a horned or winged-browed youth. It is often depicted with oversized genitalia trailing between its legs.

Is there a psychological meaning?

Yes. Cacodemonia is a form of insanity where a patient believes they are possessed by an evil spirit. It is a historical medical term.

Good reading and sources

Where this page comes from

The facts on this page come from the Wikipedia article "Cacodemon", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryJaadu rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.

It may contain mistakes. Names and customs differ from one community to the next, and some knowledge is closed to outsiders and left out here. This page describes belief and practice. It does not say that any of it works, it is not a how-to, and it is not medical advice. If something is wrong, tell us. Last refreshed 2026-10-06.

Photo credits on this page

The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.

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