Luke Castellan
E1038331
Luke Castellan is a central antagonist in the Percy Jackson series, a charismatic yet conflicted demigod son of Hermes who betrays Camp Half-Blood and allies with the Titan lord Kronos.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Luke Castellan canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T13418977 — 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: Luke Castellan Context triple: [Percy Jackson: Sea of Monsters, character, Luke Castellan]
-
A.
Richard Davalos
Richard Davalos was an American actor best known for his early film and television roles in the 1950s and 1960s, including working alongside James Dean.
-
B.
Julian Farino
Julian Farino is a British television and film director and producer best known for his work on acclaimed series such as HBO's Entourage.
-
C.
Lucas Beauchamp
Lucas Beauchamp is a proud, defiant Black farmer and central character in William Faulkner’s fiction, most notably in the novel "Go Down, Moses."
-
D.
Julian de Cordova
Julian de Cordova was an American businessman, art collector, and philanthropist whose legacy includes the establishment of the deCordova Sculpture Park and Museum in Lincoln, Massachusetts.
-
E.
Steve Martino
Steve Martino is an American film director best known for his work on animated features such as "Horton Hears a Who!" and "The Peanuts Movie."
- 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: Luke Castellan Target entity description: Luke Castellan is a central antagonist in the Percy Jackson series, a charismatic yet conflicted demigod son of Hermes who betrays Camp Half-Blood and allies with the Titan lord Kronos.
-
A.
Richard Davalos
Richard Davalos was an American actor best known for his early film and television roles in the 1950s and 1960s, including working alongside James Dean.
-
B.
Julian Farino
Julian Farino is a British television and film director and producer best known for his work on acclaimed series such as HBO's Entourage.
-
C.
Lucas Beauchamp
Lucas Beauchamp is a proud, defiant Black farmer and central character in William Faulkner’s fiction, most notably in the novel "Go Down, Moses."
-
D.
Julian de Cordova
Julian de Cordova was an American businessman, art collector, and philanthropist whose legacy includes the establishment of the deCordova Sculpture Park and Museum in Lincoln, Massachusetts.
-
E.
Steve Martino
Steve Martino is an American film director best known for his work on animated features such as "Horton Hears a Who!" and "The Peanuts Movie."
- F. None of above. chosen
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
Greek demigod
ⓘ
demigod ⓘ fictional character ⓘ |
| affiliation |
Camp Half-Blood
ⓘ
Hermes cabin ⓘ Kronos ⓘ Titans ⓘ |
| alignment |
initially good
ⓘ
later villainous ⓘ |
| alliesWith | Kronos ⓘ |
| appearsIn |
Percy Jackson & the Olympians
ⓘ
Percy Jackson & the Olympians (TV series) ⓘ
linked to:
Percy Jackson & the Olympians
The Battle of the Labyrinth ⓘ The Last Olympian ⓘ The Lightning Thief ⓘ The Sea of Monsters ⓘ The Titan’s Curse ⓘ
linked to:
The Titan's Curse
|
| betrays |
Camp Half-Blood
ⓘ
Olympian gods ⓘ |
| bodyUsedAs | host for Kronos ⓘ |
| causeOfDeath | self-sacrifice to defeat Kronos ⓘ |
| createdBy | Rick Riordan ⓘ |
| diesIn | The Last Olympian ⓘ |
| enemyOf |
Olympian gods
ⓘ
Percy Jackson ⓘ |
| eyeColor | blue ⓘ |
| gender | male ⓘ |
| godlyParent | Hermes ⓘ |
| hairColor | blond ⓘ |
| hosts | Kronos ⓘ |
| loveInterest | Annabeth Chase ⓘ |
| mentorOf |
Annabeth Chase
ⓘ
Thalia Grace ⓘ |
| mortalParent | May Castellan ⓘ |
| motivation |
desire to overthrow Olympus
ⓘ
resentment toward the gods ⓘ |
| nationality | American ⓘ |
| notableAct |
poisons Thalia’s tree
ⓘ
steals Zeus’s Master Bolt ⓘ |
| notableTrait |
charismatic
ⓘ
conflicted ⓘ skilled swordsman ⓘ |
| parent |
Hermes
ⓘ
May Castellan ⓘ |
| portrayedBy |
Charlie Bushnell
ⓘ
Jake Abel ⓘ |
| portrayedIn |
Percy Jackson & the Olympians (TV series)
ⓘ
linked to:
Percy Jackson & the Olympians
Percy Jackson & the Olympians: The Lightning Thief (film) ⓘ Percy Jackson: Sea of Monsters (film) ⓘ
linked to:
Percy Jackson: Sea of Monsters
|
| prophecyRole | the hero of the Great Prophecy ⓘ |
| redemptionArc | sacrifices himself to stop Kronos ⓘ |
| role |
antagonist
ⓘ
counselor of Hermes cabin ⓘ former ally of Percy Jackson ⓘ |
| species | demigod ⓘ |
| swordMaterial |
half celestial bronze
ⓘ
half tempered steel ⓘ |
| universe |
Camp Half-Blood Chronicles
ⓘ
linked to:
Camp Half-Blood
|
| weapon | Backbiter ⓘ |
| weaponType | sword ⓘ |
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: Luke Castellan Description of subject: Luke Castellan is a central antagonist in the Percy Jackson series, a charismatic yet conflicted demigod son of Hermes who betrays Camp Half-Blood and allies with the Titan lord Kronos.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.