Kryptonite
E211652
Kryptonite is a fictional radioactive mineral from the Superman universe, best known for being Superman’s primary weakness.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Kryptonite canonical | 11 |
| blue kryptonite | 1 |
| red kryptonite | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1896791 — 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: Kryptonite Context triple: [Evolver, hasPart, Kryptonite]
-
A.
Cavorite
Cavorite is a fictional anti-gravity material from H. G. Wells's novel "The First Men in the Moon," used to enable space travel to the Moon.
-
B.
The Hammer
The Hammer is the nickname of mixed martial artist and former UFC champion Matt Hamilton, known for his powerful striking style.
-
C.
Fremulon
Fremulon is a television production company founded by Michael Schur, best known for producing acclaimed comedy series such as Brooklyn Nine-Nine.
-
D.
Bergkristall
Bergkristall is a 2004 Austrian-German family drama film directed by Joseph Vilsmaier, based on Adalbert Stifter’s novella about village life and a fateful Christmas in the Alps.
-
E.
Tektitek
Tektitek is a Mayan language spoken primarily by the Tektiteko people in parts of Guatemala and Mexico.
- 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: Kryptonite Target entity description: Kryptonite is a fictional radioactive mineral from the Superman universe, best known for being Superman’s primary weakness.
-
A.
Cavorite
Cavorite is a fictional anti-gravity material from H. G. Wells's novel "The First Men in the Moon," used to enable space travel to the Moon.
-
B.
The Hammer
The Hammer is the nickname of mixed martial artist and former UFC champion Matt Hamilton, known for his powerful striking style.
-
C.
Fremulon
Fremulon is a television production company founded by Michael Schur, best known for producing acclaimed comedy series such as Brooklyn Nine-Nine.
-
D.
Bergkristall
Bergkristall is a 2004 Austrian-German family drama film directed by Joseph Vilsmaier, based on Adalbert Stifter’s novella about village life and a fateful Christmas in the Alps.
-
E.
Tektitek
Tektitek is a Mayan language spoken primarily by the Tektiteko people in parts of Guatemala and Mexico.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Superman element
ⓘ
fictional mineral ⓘ fictional substance ⓘ radioactive material ⓘ |
| affects |
Kryptonians
ⓘ
linked to:
Kryptonian
Superman ⓘ |
| appearsIn |
Superman animated series
ⓘ
linked to:
Superman: The Animated Series
Superman comics ⓘ Superman films ⓘ
linked to:
Superman film series
Superman radio serials ⓘ
linked to:
The Adventures of Superman
Superman television series ⓘ |
| associatedWith |
Clark Kent
ⓘ
linked to:
Superman
Metropolis ⓘ planet Krypton ⓘ
linked to:
Krypton
|
| blackKryptoniteEffect | can split Kryptonians into good and evil halves ⓘ |
| blueKryptoniteEffect | affects Bizarro-type Kryptonians ⓘ |
| canKill | Superman ⓘ |
| category |
DC Comics objects
ⓘ
Superman lore ⓘ |
| fictionalUniverse | DC Comics ⓘ |
| firstAppearedIn |
Superman radio show
ⓘ
linked to:
The Adventures of Superman
|
| goldKryptoniteEffect | can permanently remove Kryptonian powers ⓘ |
| greenKryptoniteEffect |
can eventually kill Superman
ⓘ
weakens Superman physically ⓘ |
| hasColorVariant |
black kryptonite
ⓘ
blue kryptonite ⓘ
linked to:
Kryptonite
gold kryptonite ⓘ green kryptonite ⓘ red kryptonite ⓘ
linked to:
Kryptonite
silver kryptonite ⓘ white kryptonite ⓘ |
| hasCulturalImpact | metaphor for a person's weakness ⓘ |
| hasProperty |
emits radiation harmful to Superman
ⓘ
radioactive ⓘ toxic to Kryptonians ⓘ |
| isRemnantOf | Krypton ⓘ |
| isWeaknessOf |
Kryptonians
ⓘ
linked to:
Kryptonian
Superman ⓘ |
| languageUsage | used idiomatically to mean a fatal weakness ⓘ |
| medium |
comic books
ⓘ
films ⓘ television ⓘ |
| mostCommonForm | green kryptonite ⓘ |
| notableFor | being Superman's primary weakness ⓘ |
| originatesFrom |
planet Krypton
ⓘ
linked to:
Krypton
|
| redKryptoniteEffect | causes unpredictable effects on Superman ⓘ |
| usedBy |
Lex Luthor
ⓘ
Superman villains ⓘ |
| weakens | Superman ⓘ |
| whiteKryptoniteEffect | kills plant life ⓘ |
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: Kryptonite Description of subject: Kryptonite is a fictional radioactive mineral from the Superman universe, best known for being Superman’s primary weakness.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Kryptonite
linked to: Kryptonite