Fenrir Greyback
E496792
Fenrir Greyback is a notorious werewolf in the Harry Potter series, infamous for his savagery and deliberate targeting of children.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fenrir Greyback canonical | 6 |
| Fenrir Greyback (film canon) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5128383 — 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: Fenrir Greyback Context triple: [Remus Lupin, enemyOf, Fenrir Greyback]
-
A.
Old Greyback
Old Greyback is the colloquial name for Mount San Gorgonio, the highest peak in Southern California and a prominent landmark of the San Bernardino Mountains.
-
B.
Dementor
A Dementor is a dark, wraithlike creature from the Harry Potter series that feeds on human happiness and can drain a person’s soul with its infamous Dementor’s Kiss.
-
C.
Gellert Grindelwald
Gellert Grindelwald is a powerful dark wizard in the Harry Potter universe, known as one of the most dangerous antagonists before Voldemort and central to the Fantastic Beasts film series.
-
D.
Bellatrix
Bellatrix is a prominent blue giant star in the constellation Orion, known as one of its brightest members.
-
E.
Bellatrix Lestrange
Bellatrix Lestrange is a fanatically loyal Death Eater and one of Voldemort’s most sadistic and dangerous followers in the Harry Potter series.
- 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: Fenrir Greyback Target entity description: Fenrir Greyback is a notorious werewolf in the Harry Potter series, infamous for his savagery and deliberate targeting of children.
-
A.
Old Greyback
Old Greyback is the colloquial name for Mount San Gorgonio, the highest peak in Southern California and a prominent landmark of the San Bernardino Mountains.
-
B.
Dementor
A Dementor is a dark, wraithlike creature from the Harry Potter series that feeds on human happiness and can drain a person’s soul with its infamous Dementor’s Kiss.
-
C.
Gellert Grindelwald
Gellert Grindelwald is a powerful dark wizard in the Harry Potter universe, known as one of the most dangerous antagonists before Voldemort and central to the Fantastic Beasts film series.
-
D.
Bellatrix
Bellatrix is a prominent blue giant star in the constellation Orion, known as one of its brightest members.
-
E.
Bellatrix Lestrange
Bellatrix Lestrange is a fanatically loyal Death Eater and one of Voldemort’s most sadistic and dangerous followers in the Harry Potter series.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Death Eater ally
ⓘ
fictional character ⓘ werewolf ⓘ |
| action |
attacked Bill Weasley
ⓘ
bit Remus Lupin as a child ⓘ |
| affiliation |
Death Eaters
ⓘ
Lord Voldemort ⓘ werewolf pack ⓘ |
| alignment | evil ⓘ |
| appearance |
long, dirty nails
ⓘ
sharp, pointed teeth ⓘ wolf-like even in human form ⓘ |
| appearsIn |
Harry Potter and the Deathly Hallows – Part 1 (film)
ⓘ
Harry Potter and the Deathly Hallows – Part 2 (film) ⓘ Harry Potter and the Half-Blood Prince (film) ⓘ |
| capturedBy |
Horace Slughorn
ⓘ
Kingsley Shacklebolt ⓘ Minerva McGonagall ⓘ |
| causeOf | Bill Weasley’s disfigurement ⓘ |
| creator | J. K. Rowling ⓘ |
| enemyOf |
Harry Potter
ⓘ
Order of the Phoenix ⓘ Remus Lupin ⓘ |
| fictionalUniverse | Harry Potter ⓘ |
| firstAppearance | Harry Potter and the Half-Blood Prince ⓘ |
| gender | male ⓘ |
| goal |
increase the number of werewolves
ⓘ
terrorise the wizarding community ⓘ |
| language | English ⓘ |
| loyalty | Lord Voldemort ⓘ |
| method |
attacks during and outside full moon
ⓘ
targets children for infection ⓘ |
| nationality | British (wizarding world) ⓘ |
| notableFor |
attacking victims even when not transformed
ⓘ
deliberately targeting children ⓘ savagery ⓘ |
| occupation |
mercenary
ⓘ
werewolf ⓘ |
| participatedIn |
Battle of Hogwarts
ⓘ
Battle of the Astronomy Tower ⓘ Battle of the Seven Potters ⓘ |
| personalityTrait |
bloodthirsty
ⓘ
cruel ⓘ sadistic ⓘ |
| portrayedBy | Dave Legeno ⓘ |
| servedDuring | Second Wizarding War ⓘ |
| setting | Wizarding World ⓘ |
| species | human (werewolf) ⓘ |
| victim | Remus Lupin ⓘ |
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: Fenrir Greyback Description of subject: Fenrir Greyback is a notorious werewolf in the Harry Potter series, infamous for his savagery and deliberate targeting of children.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Fenrir Greyback