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Sheldon J. Plankton

main antagonist in SpongeBob SquarePants
Person Animated Character Q57312855

Facts

28 properties
Instance of
animated character, television character, anthropomorphic animal[15][16]
Sex or gender
male[14]
Date of birth
November 30, 1942
Place of birth
Bikini Bottom
Occupation
restaurateur, inventor, scientist, manager
Father
Gordon Plankton[8]
Mother
Ma Plankton[9]
Spouse
Karen Plankton, Karen Plankton 2.0[10][11]
Child
Chip Plankton II[12]
Part of
Plankton and Karen[18]
Languages spoken, written or signed
English[25]
Birth name
Sheldon James Plankton[32]
Catchphrase
I went to college![36]
Character type
mad scientist[40]
Creator
Stephen Hillenburg[13]
Enemy
Mr. Krabs, SpongeBob SquarePants[37][38]
Eye color
red[24]
Family
Plankton family[17]
First appearance
Plankton![34]
First line
Hear me, Krabs! When I discover your formula for Krabby Patties, I'll run you out of business! I went to college![33]
From narrative universe
SpongeBob SquarePants universe[23]
Given name
Sheldon, James[21][22]
Individual of taxon
copepod[41]
Media franchise
SpongeBob SquarePants[39]
Show all 28 facts +4
Narrative role
main antagonist[35]
Present in work
SpongeBob SquarePants, The SpongeBob SquarePants Movie, The SpongeBob Movie: Sponge Out of Water, Kamp Koral: SpongeBob's Under Years, The Patrick Star Show, The SpongeBob Movie: Sponge on the Run[26][27][28][29][30][31]
Residence
Chum Bucket[19]
Voice actor
Mr. Lawrence[20]
🏷️ Also known as
en Plankton en Sheldon J. Plankton en Sheldon Plankton ar شمشون es Plancton he פלנקטון he שלדון ג'יימס פלנקטון he שלדון ג'. פלנקטון ko 플랑크톤 nl Sheldon J. Plankton ru Планктон ru Шелдон Джеймс Планктон tr Sheldon James Plankton zh 皮老板 zh-hant 希爾頓（喜來登）．皮．二世 zh-hant 皮老闆
🔖 Identifiers · 17
Image (Wikimedia Commons)
Sheldon J. Plankton in Warsaw.jpg ↗
Archive of Our Own tag
Sheldon J. Plankton
BabelNet ID
15086309n
Behind The Voice Actors character ID
SpongeBob-SquarePants/Plankton
Comic Vine ID
4005-63432
Discogs artist ID
849970
Facebook username
Plankton
Fandom article ID
spongebob:Sheldon_J._Plankton, senior-discount-lore:Plankton
Freebase ID
/m/031kk7
Gaming Wiki Network article ID
spongebob:Sheldon_J._Plankton
HAND ID
7BE6-ED63-F6A5-690F-15B4
IMDb ID
ch0017156
Show all 17 identifiers +5
Moegirlpedia ID
痞老板
MusicBrainz artist ID
36b8c942-0e79-421f-8ffe-bc5096bbbd47, c3d967f9-f8e2-4868-8502-4370e478709e
Personality Database profile ID
4751
Quora topic ID
Sheldon-Plankton
The Top Tens ID (archived)
6657

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Present in work 6
SpongeBob SquarePants, The SpongeBob SquarePants Movie, The SpongeBob Movie: Sponge Out of Water, The SpongeBob Movie: Sponge on the Run, Kamp Koral: SpongeBob's Under Years, The Patrick Star Show
Occupation 4
scientist, inventor, manager, restaurateur
← Characters 4
SpongeBob SquarePants, The SpongeBob SquarePants Movie, Kamp Koral: SpongeBob's Under Years, Nickelodeon Toon Twister 3-D
← Enemy 3
SpongeBob SquarePants, Squidward Tentacles, Mr. Krabs
Enemy 2
SpongeBob SquarePants, Mr. Krabs
Given name 2
James, Sheldon
Belongs to 1
Plankton and Karen
Character type 1
mad scientist
Creator 1
Stephen Hillenburg
First appearance 1
Plankton!
Individual of taxon 1
copepod
Instance of 1
animated character
Languages spoken, written or signed 1
English
Owned entities 1
Chum Bucket
Part of 1
Plankton and Karen
Place of birth 1
Bikini Bottom
Residence 1
Chum Bucket
Sex or gender 1
male
Spouse 1
Karen Plankton
Spouses 1
Karen Plankton
Voice actor 1
Mr. Lawrence
← Mb:voice actor 1
Mr. Lawrence
← Notable role 1
Mr. Lawrence
← Occupant 1
Chum Bucket
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Summary

Sheldon J. Plankton is an animated character[1]. He was born on November 30, 1942[2], in Bikini Bottom[3]. He has worked as a restaurateur[4], inventor[5], scientist[6], and manager[7].

FAQs

Where was Sheldon J. Plankton born?

Sheldon J. Plankton's place of birth was Bikini Bottom[3].

Who were Sheldon J. Plankton's parents?

Sheldon J. Plankton's father was Gordon Plankton[8]. Sheldon J. Plankton's mother was Ma Plankton[9].

Who was Sheldon J. Plankton married to?

Sheldon J. Plankton's spouses include Karen Plankton[10] and Karen Plankton 2.0[11].

What did Sheldon J. Plankton do for work?

Sheldon J. Plankton worked as a restaurateur[4], inventor[5], scientist[6], and manager[7].

Related Entities

Stephen Hillenburg The SpongeBob Movie: Sponge on the Run The SpongeBob Movie: Sponge Out of Water The SpongeBob SquarePants Movie

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . Friend or Foe. wikidata.org.
  2. [14] ↑ . wikidata.org.
  3. [8] ↑ . wikidata.org.
  4. [9] ↑ . wikidata.org.
  5. [10] ↑ . wikidata.org.
  6. [11] ↑ . wikidata.org.
  7. [15] ↑ . wikidata.org.
  8. [16] ↑ . wikidata.org.
  9. [12] ↑ . wikidata.org.
  10. [17] ↑ . wikidata.org.
  11. [4] ↑ . wikidata.org.
  12. [5] ↑ . wikidata.org.
  13. [6] ↑ . wikidata.org.
  14. [7] ↑ . wikidata.org.
  15. [13] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . Template:SpongeBob SquarePants. wikidata.org.
  18. [2] ↑ . IMDb. Retrieved . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [29] ↑ . wikidata.org.
  29. [30] ↑ . Deadline Hollywood. deadline.com. Provenance: wikidata.org.
  30. [31] ↑ . wikidata.org.
  31. [32] ↑ . wikidata.org.
  32. [33] ↑ . wikidata.org.
  33. [34] ↑ . wikidata.org.
  34. [35] ↑ . wikidata.org.
  35. [36] ↑ . wikidata.org.
  36. [37] ↑ . wikidata.org.
  37. [38] ↑ . wikidata.org.
  38. [39] ↑ . wikidata.org.
  39. [40] ↑ . wikidata.org.
  40. [41] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Sheldon J. Plankton. Retrieved November 6, 2026, from https://4ort.xyz/entity/sheldon-j-plankton
MLA “Sheldon J. Plankton.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/sheldon-j-plankton.
BibTeX @misc{4ortxyz_sheldon-j-plankton_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Sheldon J. Plankton}}, year = {2026}, url = {https://4ort.xyz/entity/sheldon-j-plankton}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Sheldon J. Plankton — https://4ort.xyz/entity/sheldon-j-plankton (retrieved 2026-11-06)

Canonical URL: https://4ort.xyz/entity/sheldon-j-plankton · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 12w ago · Yirba · 2026-08-13 view diff on Wikidata ↗
    HAND ID → 7BE6-ED63-F6A5-690F-15B4
    "Changed the item: QuickStatements 3.0 batch #47158: HAND ID (11)"
  2. 21w ago · Pogôdô · 2026-06-14 view diff on Wikidata ↗
    Instance of → animated character, television character, anthropomorphic animal
    "Created claim: Instance of: anthropomorphic animal"
  3. 22w ago · ~2026-33423-32 · 2026-06-07 view diff on Wikidata ↗
    Mother → Ma Plankton
    IMDb ID → ch0017156
    Residence → Chum Bucket
    First appearance → Plankton!
    + 21 other properties edited (see Wikidata diff for full list)
    "Changed claim: Spouse: Karen Plankton"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.