Hastur
E744527
Hastur is a mysterious and often malevolent Great Old One in the Cthulhu Mythos, associated with madness, forbidden knowledge, and the eerie city of Carcosa.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T8316228 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hastur Context triple: [Cthulhu Mythos, notableEntity, Hastur]
-
A.
Nyarlathotep
Nyarlathotep is a shape-shifting, malevolent cosmic entity from H. P. Lovecraft’s works, known for serving as a manipulative messenger of the Outer Gods within the Cthulhu Mythos.
-
B.
Cthulhu
Cthulhu is a colossal, tentacled cosmic entity from H. P. Lovecraft’s mythos, symbolizing incomprehensible horror and the insignificance of humanity in the universe.
-
C.
Yog-Sothoth
Yog-Sothoth is a cosmic, all-seeing Outer God from H. P. Lovecraft’s horror fiction, embodying the concepts of time, space, and forbidden knowledge.
-
D.
Dagon
Dagon is an ancient Semitic deity, often associated with grain, fertility, and sometimes the sea, worshipped across regions including Phoenicia and Mesopotamia.
-
E.
Dagon
Dagon is a monstrous, ancient sea deity from H. P. Lovecraft’s Cthulhu Mythos, often associated with deep-sea cults and hybrid human-fish worshippers.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hastur Target entity description: Hastur is a mysterious and often malevolent Great Old One in the Cthulhu Mythos, associated with madness, forbidden knowledge, and the eerie city of Carcosa.
-
A.
Nyarlathotep
Nyarlathotep is a shape-shifting, malevolent cosmic entity from H. P. Lovecraft’s works, known for serving as a manipulative messenger of the Outer Gods within the Cthulhu Mythos.
-
B.
Cthulhu
Cthulhu is a colossal, tentacled cosmic entity from H. P. Lovecraft’s mythos, symbolizing incomprehensible horror and the insignificance of humanity in the universe.
-
C.
Yog-Sothoth
Yog-Sothoth is a cosmic, all-seeing Outer God from H. P. Lovecraft’s horror fiction, embodying the concepts of time, space, and forbidden knowledge.
-
D.
Dagon
Dagon is an ancient Semitic deity, often associated with grain, fertility, and sometimes the sea, worshipped across regions including Phoenicia and Mesopotamia.
-
E.
Dagon
Dagon is a monstrous, ancient sea deity from H. P. Lovecraft’s Cthulhu Mythos, often associated with deep-sea cults and hybrid human-fish worshippers.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Great Old One
ⓘ
fictional deity ⓘ |
| alignment | malevolent ⓘ |
| appearsIn |
Derleth Cthulhu Mythos stories
ⓘ
works of H. P. Lovecraft ⓘ works of Robert W. Chambers ⓘ |
| associatedWith |
Aldebaran
ⓘ
Carcosa ⓘ Hyades ⓘ Lake of Hali ⓘ The King in Yellow ⓘ forbidden knowledge ⓘ madness ⓘ yellow sign ⓘ |
| category |
Lovecraftian horror character
ⓘ
cosmic horror entity ⓘ fictional god ⓘ |
| createdBy | Ambrose Bierce ⓘ |
| developedBy |
H. P. Lovecraft
ⓘ
Robert W. Chambers ⓘ |
| domain |
decay
ⓘ
despair ⓘ insanity ⓘ |
| enemyOf | Cthulhu ⓘ |
| fictionalUniverse | Cthulhu Mythos ⓘ |
| firstAppearance | “Haïta the Shepherd” ⓘ |
| firstAppearanceAuthor | Ambrose Bierce ⓘ |
| influences |
artists
ⓘ
dreamers ⓘ writers ⓘ |
| inspired |
Call of Cthulhu RPG scenarios
ⓘ
later horror fiction ⓘ tabletop role-playing games ⓘ |
| languageOfOrigin | English-language literature ⓘ |
| nature |
eldritch being
ⓘ
extraterrestrial entity ⓘ |
| oftenDepictedAs |
The King in Yellow
ⓘ
distant star-like presence ⓘ robed figure in tattered yellow ⓘ |
| power |
induce madness
ⓘ
reality distortion ⓘ telepathic influence ⓘ |
| relatedConcept |
The King in Yellow (play)
ⓘ
linked to:
The King in Yellow
Yellow Sign (symbol) ⓘ |
| residence |
Carcosa
ⓘ
Lake of Hali ⓘ |
| role | cosmic entity ⓘ |
| worshipedBy | cults ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Hastur Description of subject: Hastur is a mysterious and often malevolent Great Old One in the Cthulhu Mythos, associated with madness, forbidden knowledge, and the eerie city of Carcosa.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Hastur
linked to: Hastur