Jack Hammer

fictional character from Baki the Grappler
Person fictional_human Q112127648
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Jack Hammer

Summary

Jack Hammer is a fictional human[1]. Born in Vietnam[2], he… he worked as a martial artist[3]. He is known by 10 alternative names across languages and contexts.[4]

Key Facts

  • Born in Vietnam[2], Jack Hammer…
  • Jack Hammer's father was Hanma Yujiro[5].
  • Jack Hammer's mother was Diane Neil[6].
  • Jack Hammer held citizenship in Canada[7].
  • Jack Hammer is identified as part of the Japanese Canadians ethnic group[8].
  • Jack Hammer is identified as part of the Hapa ethnic group[9].
  • Jack Hammer is identified as part of the hāfu ethnic group[10].
  • Jack Hammer is identified as part of the Eurasian ethnic group[11].
  • Jack Hammer's professions included martial artist[3].
  • Jack Hammer is the creator of Keisuke Itagaki[12].
  • Jack Hammer is recorded as male[13].
  • Jack Hammer's instance of is recorded as fictional human[14].
  • Jack Hammer's instance of is recorded as manga character[15].
  • Jack Hammer's instance of is recorded as anime character[16].
  • Jack Hammer's family name is recorded as Neil[17].
  • Jack Hammer's given name is recorded as Jack[18].
  • Jack Hammer's eye color is recorded as blue[19].
  • Jack Hammer's languages spoken, written or signed is recorded as English[20].
  • Jack Hammer's languages spoken, written or signed is recorded as Japanese[21].
  • Jack Hammer's present in work is recorded as Baki the Grappler[22].
  • Jack Hammer's hair color is recorded as blond hair[23].
  • Jack Hammer's different from is recorded as Jack Hammer[24].
  • Jack Hammer's sibling is recorded as Hanma Baki[25].
  • Jack Hammer's first appearance is recorded as Baki the Grappler[26].
  • Jack Hammer's narrative role is recorded as antagonist[27].

Body

Origins and Family

Jack Hammer was born in Vietnam[2]. His father was Hanma Yujiro[5]. His mother was Diane Neil[6]. Ethnic identities include Japanese Canadians[8], an ethnic group[28], in Canada[29]; Hapa[9], a term[30]; hāfu[10], a wasei-eigo[31], in Japan[32]; and Eurasian[11], a group of humans[33].

Career and Affiliations

Jack Hammer worked as a martial artist[3].

Works and Contributions

Jack Hammer is the creator of Keisuke Itagaki[12].

Why It Matters

Jack Hammer is known by 10 alternative names across languages and contexts.[4]

FAQs

Where was Jack Hammer born?

Jack Hammer's place of birth was Vietnam[2].

Who were Jack Hammer's parents?

Jack Hammer's father was Hanma Yujiro[5]. Jack Hammer's mother was Diane Neil[6].

What did Jack Hammer do for work?

Jack Hammer worked as martial artist[3].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [13] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [14] . wikidata.org.
  7. [15] . wikidata.org.
  8. [16] . wikidata.org.
  9. [3] . wikidata.org.
  10. [12] . wikidata.org.
  11. [8] . wikidata.org.
  12. [9] . wikidata.org.
  13. [10] . wikidata.org.
  14. [11] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
  5. [32] . Wikidata. wikidata.org. → on this site
  6. [33] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [4] . Wikidata aliases. 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). Jack Hammer. Retrieved May 3, 2026, from https://4ort.xyz/entity/jack-hammer-q112127648
MLA “Jack Hammer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/jack-hammer-q112127648.
BibTeX @misc{4ortxyz_jack-hammer-q112127648_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jack Hammer}}, year = {2026}, url = {https://4ort.xyz/entity/jack-hammer-q112127648}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Jack Hammer — https://4ort.xyz/entity/jack-hammer-q112127648 (retrieved 2026-05-03)

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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. 7h ago · Sabelöga · 2026-09-20 view diff on Wikidata ↗
    Different from Jack Hammer
    Instance of fictional human, manga character, anime character
    Father Hanma Yujiro
    P14750 E16A-2C89-F65E-79B4-2307
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P1889]]: [[Q27500736]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.