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Gualichu

An evil spirit feared in Mapuche and Tehuelche traditions, and a word for bad luck

Historical

Gualichu is an evil spirit from Mapuche and Tehuelche mythology. People blamed this being for all illness and disaster, but they did not worship it.

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  • Feared evil spirit in Mapuche and Tehuelche culture
  • Blamed for all disease and calamity
  • No physical depictions exist
  • Expelled through exorcism if possessing someone
  • Word survives as slang for bad luck in four countries

What it is

Gualichu represents a malevolent force within the spiritual beliefs of the Mapuche and Tehuelche peoples. This entity functions as a demon or evil spirit rather than a deity. Communities did not offer worship to Gualichu. Instead, they lived in fear of this presence. The spirit was viewed as the cause behind every form of sickness and misfortune. Any negative event could be attributed to its influence. There are no physical images or statues of this being. It is understood to exist purely as a spirit dwelling beneath the earth.

Where it comes from

The concept originates in the mythologies of the Mapuche and Tehuelche cultures. These groups inhabited regions that are now part of Chile and Argentina. The belief system lacked a formal god of evil. Gualichu filled that role by personifying harm. The term also evolved to describe an evil spell or charm. In modern folklore across Chile, Argentina, southern Brazil, and Uruguay, the word survives. It appears as both a noun and a verb, such as engualichar, meaning to cast a jinx.

How it is done

When Gualichu was believed to enter a person's body or objects, an exorcism was required. A specialist would perform rituals to expel the spirit. This practice addresses the belief in demon possession. The methods used were specific to the cultural context of the time. Today, the term describes a state of bad luck rather than a ritual act.

Gualichu, 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: Historical Documented in the past; no continuous living tradition today. 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
Mapuche mythology
Where it sits The tradition it belongs to, and when it is done.

What it is for

The spirit was blamed for diseases and other disasters. The purpose of identifying this force was to explain suffering. It provided a reason for why things went wrong. Rituals aimed to remove the spirit once it had taken hold. The goal was restoration of health and safety through expulsion.

Who does it

Shamans, known as Machi in some related traditions, handled cases of possession. They performed the necessary exorcisms to drive out the spirit. These specialists acted as intermediaries between the community and the spiritual realm. Their role was crucial when Gualichu was thought to have entered a victim.

Peoples and places

The belief is rooted in Mapuche and Tehuelche cultures. These groups are indigenous to the southern cone of South America. The concept has spread into local folklore in Chile and Argentina. It also appears in the superstitions of southern Brazil and Uruguay. The term gualicho remains active in these regions as a word for bad luck.

At a glance: who, where and when

Who does it

What people believe

The worldview holds that Gualichu is a purely spiritual being. It lives underground and can inhabit people or objects. This presence causes harm without any divine worship. The spirit is comparable to the Devil but distinct. It represents a lack of a formal evil deity in the original pantheon. Fear, rather than reverence, defined the relationship with this entity.

How scholars and sceptics see it

Anthropologists study Gualichu as part of the broader mythological systems of Patagonia and the Pampas. Researchers examine how these beliefs functioned within indigenous societies. The absence of a worshipped evil god is a notable feature. Scholars note the linguistic evolution of the term into modern slang for curses.

Compare and confuse

Gualichu is often compared to the Wekufe in other Mapuche contexts. It serves a similar function as a bringer of harm. The concept differs from the Christian Devil despite superficial similarities. It is a localized spirit rather than a universal antagonist.

Today

The name survives in the folklore of Chile, Argentina, southern Brazil, and Uruguay. It is used as a common noun and verb to describe bad luck. The phrase 'It has Gualichu' indicates a curse. The original religious belief in the spirit itself is largely historical.

Questions people ask about Gualichu

What is Gualichu?

Gualichu is an evil spirit or demon from Mapuche and Tehuelche mythology. It is blamed for all illness and misfortune but is not worshipped.

Where does this belief come from?

The belief originates in the cultures of the Mapuche and Tehuelche peoples in what is now Chile and Argentina.

How do people deal with Gualichu?

If the spirit possesses a person, an exorcism is performed to expel it. Shamans typically handle these rituals.

Is the word still used today?

Yes, in Chile, Argentina, southern Brazil, and Uruguay, it means a jinx or bad luck.

Good reading and sources

Where this page comes from

The facts on this page come from the Wikipedia article "Gualichu", 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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