Cecil Terwilliger
E836726
Cecil Terwilliger is Sideshow Bob’s younger brother on The Simpsons, known for his refined demeanor, rivalry with Bob, and brief stint as Krusty the Clown’s sidekick.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gino Terwilliger | 2 |
| Cecil Terwilliger canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10017845 — 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: Cecil Terwilliger Context triple: [Sideshow Bob, hasRelative, Cecil Terwilliger]
-
A.
Cecil Upshaw
Cecil Upshaw was an American Major League Baseball relief pitcher, best known for his years with the Atlanta Braves in the late 1960s and early 1970s.
-
B.
Cecil Hartnett
Cecil Hartnett is an individual notable enough to be recognized as a bearer of the Hartnett surname, though specific public details about his life or achievements are not widely documented.
-
C.
Lloyd Tabb
Lloyd Tabb is a software engineer and entrepreneur best known as the founder and chief architect of the business intelligence and data analytics company Looker.
-
D.
Franklin Keeler
Franklin Keeler was the founder of the Times Union newspaper.
-
E.
Joseph Tinney
Joseph Tinney was the husband of American actress and television producer Judy Lewis.
- 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: Cecil Terwilliger Target entity description: Cecil Terwilliger is Sideshow Bob’s younger brother on The Simpsons, known for his refined demeanor, rivalry with Bob, and brief stint as Krusty the Clown’s sidekick.
-
A.
Cecil Upshaw
Cecil Upshaw was an American Major League Baseball relief pitcher, best known for his years with the Atlanta Braves in the late 1960s and early 1970s.
-
B.
Cecil Hartnett
Cecil Hartnett is an individual notable enough to be recognized as a bearer of the Hartnett surname, though specific public details about his life or achievements are not widely documented.
-
C.
Lloyd Tabb
Lloyd Tabb is a software engineer and entrepreneur best known as the founder and chief architect of the business intelligence and data analytics company Looker.
-
D.
Franklin Keeler
Franklin Keeler was the founder of the Times Union newspaper.
-
E.
Joseph Tinney
Joseph Tinney was the husband of American actress and television producer Judy Lewis.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
fictional character
ⓘ
television character ⓘ |
| appearsIn | The Simpsons NERFINISHED ⓘ |
| appearsInFranchise | The Simpsons franchise NERFINISHED ⓘ |
| appearsInMedium | animated television series ⓘ |
| cooperatesWith | Sideshow Bob (in some plots) NERFINISHED ⓘ |
| createdBy | The Simpsons writing staff NERFINISHED ⓘ |
| createdFor | The Simpsons NERFINISHED ⓘ |
| enemyOf |
Bart Simpson
NERFINISHED
ⓘ
Lisa Simpson NERFINISHED ⓘ |
| familyName | Terwilliger NERFINISHED ⓘ |
| firstAppearance | The Simpsons episode "Brother from Another Series" NERFINISHED ⓘ |
| firstAppearanceSeason | The Simpsons Season 8 NERFINISHED ⓘ |
| firstAppearanceYear | 1997 ⓘ |
| formerOccupation | Krusty the Clown’s sidekick ⓘ |
| formerStageName | Sideshow Cecil NERFINISHED ⓘ |
| fullName | Cecil Terwilliger NERFINISHED ⓘ |
| genre | animated comedy ⓘ |
| hasAlignment |
antagonist
ⓘ
villainous ⓘ |
| hasBodyType | tall and thin ⓘ |
| hasCriminalActivity | attempted fraud involving Springfield dam ⓘ |
| hasEducation | well-educated ⓘ |
| hasHairColor | red ⓘ |
| hasPersonalityTrait |
cultured
ⓘ
refined ⓘ resentful ⓘ snobbish ⓘ |
| hasRelationshipWith | Krusty the Clown NERFINISHED ⓘ |
| hasRivalryWith | Sideshow Bob NERFINISHED ⓘ |
| hasSibling |
Robert Underdunk Terwilliger Jr.
NERFINISHED
ⓘ
Sideshow Bob NERFINISHED ⓘ |
| isParodyOf | Niles Crane-type character NERFINISHED ⓘ |
| language | English ⓘ |
| nationality | American (fictional) ⓘ |
| notableEpisode |
"Brother from Another Series"
NERFINISHED
ⓘ
"Funeral for a Fiend" NERFINISHED ⓘ |
| occupation |
civil engineer
ⓘ
hydroelectric dam architect ⓘ |
| portrayedBy | David Hyde Pierce NERFINISHED ⓘ |
| relativeOf |
Dame Judith Underdunk
NERFINISHED
ⓘ
Dr. Robert Terwilliger Sr. NERFINISHED ⓘ |
| residesIn | Springfield NERFINISHED ⓘ |
| sharesVoiceActorConnectionWith | Niles Crane from Frasier NERFINISHED ⓘ |
| speaksWithAccent | upper-class British-style accent ⓘ |
| wasFiredBy | Krusty the Clown NERFINISHED ⓘ |
| worksIn | Springfield NERFINISHED ⓘ |
| youngerBrotherOf | Sideshow Bob NERFINISHED ⓘ |
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: Cecil Terwilliger Description of subject: Cecil Terwilliger is Sideshow Bob’s younger brother on The Simpsons, known for his refined demeanor, rivalry with Bob, and brief stint as Krusty the Clown’s sidekick.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Gino Terwilliger
this entity surface form:
Gino Terwilliger