Sigmund "Siggy" Marvin

E380801

fictional character film character

Sigmund "Siggy" Marvin is the young, emotionally troubled son of psychiatrist Dr. Leo Marvin in the comedy film "What About Bob?," whose interactions with Bob Wiley highlight his father's shortcomings.

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All labels observed (2)

Label	Occurrences
Siggy Marvin	5
Sigmund "Siggy" Marvin canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T3681431 — 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: Sigmund "Siggy" Marvin
Context triple: [What About Bob?, character, Sigmund "Siggy" Marvin]

A. Marvin Krislov
Marvin Krislov is an American academic leader and former president of Oberlin College who serves as the president of Pace University in New York.
B. Sonny Wortzik
Sonny Wortzik is the desperate, emotionally volatile bank robber protagonist of the 1975 film "Dog Day Afternoon," portrayed by Al Pacino and inspired by a real-life attempted heist.
C. Marv Rich
Marv Rich was a civil rights activist best known for helping establish the Congress of Racial Equality, a key organization in the U.S. civil rights movement.
D. Melvin
Melvin is the full given name of legendary American voice actor and comedian Mel Blanc, famed for voicing many iconic Looney Tunes characters.
E. Miles Goodman
Miles Goodman was an American composer and jazz record producer best known for his film scores, particularly for popular comedies of the 1980s and early 1990s.
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: Sigmund "Siggy" Marvin
Target entity description: Sigmund "Siggy" Marvin is the young, emotionally troubled son of psychiatrist Dr. Leo Marvin in the comedy film "What About Bob?," whose interactions with Bob Wiley highlight his father's shortcomings.

A. Marvin Krislov
Marvin Krislov is an American academic leader and former president of Oberlin College who serves as the president of Pace University in New York.
B. Sonny Wortzik
Sonny Wortzik is the desperate, emotionally volatile bank robber protagonist of the 1975 film "Dog Day Afternoon," portrayed by Al Pacino and inspired by a real-life attempted heist.
C. Marv Rich
Marv Rich was a civil rights activist best known for helping establish the Congress of Racial Equality, a key organization in the U.S. civil rights movement.
D. Melvin
Melvin is the full given name of legendary American voice actor and comedian Mel Blanc, famed for voicing many iconic Looney Tunes characters.
E. Miles Goodman
Miles Goodman was an American composer and jazz record producer best known for his film scores, particularly for popular comedies of the 1980s and early 1990s.
F. None of above. chosen

Statements (34)

Predicate	Object
instanceOf	fictional character ⓘ film character ⓘ
ageInWork	young ⓘ
appearsIn	What About Bob? ⓘ
appearsWith	Anna Marvin ⓘ Bob Wiley ⓘ Dr. Leo Marvin ⓘ Fay Marvin ⓘ
childOf	Dr. Leo Marvin ⓘ Fay Marvin ⓘ
countryOfFictionalCitizenship	United States ⓘ linked to: United States of America
createdBy	Frank Oz ⓘ
createdFor	What About Bob? ⓘ
familyName	Marvin ⓘ
fictionalOccupation	child ⓘ
formsBondWith	Bob Wiley ⓘ
fullName	Sigmund Marvin ⓘ
genre	comedy film ⓘ
givenName	Sigmund ⓘ linked to: Sigmund Marvin
hasInterest	death ⓘ
hasSibling	Anna Marvin ⓘ
hasTrait	depressed ⓘ emotionally troubled ⓘ morbid ⓘ
languageSpoken	English ⓘ
medium	film ⓘ
narrativeFunction	highlights shortcomings of Dr. Leo Marvin as a father ⓘ illustrates Bob Wiley's positive influence on the Marvin family ⓘ
narrativeRole	foil to Dr. Leo Marvin ⓘ son of Dr. Leo Marvin ⓘ
nickname	Siggy ⓘ
portrayedBy	Charlie Korsmo ⓘ
relatedTo	Bob Wiley ⓘ
residesIn	New Hampshire (vacation home, in film) ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

What About Bob? → character → Sigmund "Siggy" Marvin ⓘ

Dr. Leo Marvin → hasChild → Siggy Marvin ⓘ

subject linked to: Dr. Leo Marvin in What About Bob?