What Are the Kimura and Shikimori Families? A Complete Guide to Sumo’s Two Great Referee Lineages

Trivia
               

Supervisor・Tsuyoshi Mizuguchi

Former sumo wrestler Shoho Tsuyoshi (real name: Tsuyoshi Mizuguchi). He belonged to the Kasugayama stable, made his debut in 2004, and rose to the rank of Makushita East 4. He also performed the Yumitori-shiki (bow-twirling ceremony) on behalf of Yokozuna Hakuho.
After retiring, he has been actively promoting sumo culture both in Japan and abroad through organizing training sessions, producing the YouTube channel "Osumo Gucchan-neru," and hosting sumo experience events.
He appeared as the character Entori in the Netflix drama *Sanctuary* and has also participated in stage performances.
Currently, he organizes inbound sumo events and shows for international visitors, and also works as a personal trainer, sharing the appeal of sumo while supporting people’s health and well-being.

In the world of sumo, the ring is not ruled by wrestlers alone. Standing beside them are the gyōji, or referees—guardians of fairness and tradition.
Among them, the Kimura and Shikimori families form the two great lineages that have preserved the art of officiating for centuries.
They embody Japan’s sense of discipline, beauty, and respect, ensuring that every match reflects the dignity of this ancient sport.

The Role of a Gyōji

A gyōji is the official who fairly judges sumo bouts. On the dohyō, they observe the movements of the wrestlers and raise a gunbai (referee’s fan) to declare victory.
However, their duty extends far beyond judging. They are also responsible for conducting rituals, maintaining order, and preserving etiquette. The gyōji calls out the wrestlers’ names, signals the start of the match, and oversees every detail of the ceremony, ensuring that the dignity of the sacred ring is maintained.

Their costume has deep cultural meaning. They wear hitatare, a robe modeled after the attire of Heian-period court nobles. The short sword worn at the waist symbolizes the referee’s solemn resolve to take responsibility if a judgment is mistaken. Although it is purely symbolic today, it reflects the deep sense of honor and accountability associated with the role.

RankTitleCharacteristics
Jonokuchi / Jonidan GyōjiKimura ___, Shikimori ___Apprenticeship stage, simple attire
Makushita GyōjiKimura ___, Shikimori ___Gaining experience in officiating
Jūryō GyōjiKimura ___, Shikimori ___Central referee for major matches
Makuuchi GyōjiKimura ___, Shikimori ___Fully recognized top-tier referee
Tate-gyōjiKimura Shōnosuke, Shikimori InosukeHighest rank, symbol of tradition

The gyōji’s voice is both functional and artistic. Their rhythmic shouts such as “Hakkeyoi!” and “Nokotta!” both motivate wrestlers and enhance the atmosphere for spectators. Their voice, posture, and gestures are a form of traditional performance art in themselves.


The Kimura and Shikimori Families

The two lineages of sumo referees are the Kimura family and the Shikimori family. Both have roots dating back to the Edo period and have preserved the traditions of sumo officiating for generations.

FamilyCharacteristicsImpression
KimuraGentle and respectful officiating styleGraceful and composed
ShikimoriEmphasis on authority and precisionDignified and powerful

Gyōji of the Kimura family are known for their calm voice and elegant movements. In contrast, the Shikimori family is recognized for their deep, commanding tone and dignified gestures.
These subtle differences influence how each match feels to the audience. The presence of the gyōji can dramatically change the emotional tone of a bout.

Comparison PointKimura FamilyShikimori Family
Color of AttireGreen or brown tonesDark purple or black
Vocal StyleSoft, smooth, melodicDeep, strong, resonant
Gesture StyleCareful and restrainedSharp and authoritative
Overall ImpressionElegant and refinedFormal and commanding

Both families share one mission: to make sumo beautiful through fairness and form. Understanding their contrasts adds another layer of appreciation for sumo fans.


What Is a Tate-gyōji?

The tate-gyōji is the pinnacle of the referee hierarchy—a position of both honor and responsibility. The highest title in the Kimura family is Kimura Shōnosuke, while in the Shikimori family it is Shikimori Inosuke.

Tate-gyōji preside over the most important bouts, including the final match of each tournament. They must judge instantly and flawlessly, even in the closest contests, and bear full responsibility for the outcome.

TitleFamilyMeaning / Role
Kimura ShōnosukeKimuraSymbol of elegance and dignity
Shikimori InosukeShikimoriSymbol of authority and leadership

Becoming a tate-gyōji requires over 30 years of training and evaluation. In addition to skill, one must cultivate composure, integrity, and refined manners. Every gesture carries the weight of history, representing not just the self, but all gyōji who came before.


The Name Succession and the Inheritance of Tradition

The gyōji world follows a name inheritance system, where titles are not passed by blood but by skill and respect. Apprentices train for years before earning the right to take on a family name, ensuring the continuity of tradition through merit.

Training StageContentObjective
Apprentice PeriodAssisting below the ring and observingLearning discipline and etiquette
Lower-ranked GyōjiOfficiating early boutsDeveloping focus and fairness
Makushita and AboveIndependent officiatingBuilding skill and trust
Makuuchi / Tate-gyōjiSupervising the entire tournamentBecoming a living embodiment of sumo culture

Training covers every detail—voice control, posture, bowing angles, and fan gestures. Every motion has symbolic meaning. The angle of the gunbai represents “the link between heaven and earth,” reflecting the divine origins of sumo as a sacred ritual.

Both lineages emphasize this spiritual dimension. Disciples carefully emulate their masters’ techniques, preserving the essence of tradition while allowing gradual refinement. This balance between preservation and innovation is why the gyōji legacy continues to thrive today.


The Modern Role of the Gyōji

Sumo’s growing global popularity has brought new attention to the gyōji. Their elegant robes, powerful voices, and precise gestures have become admired symbols of Japanese tradition. For international audiences, the gyōji often serve as ambassadors of Japan’s cultural depth.

Today’s gyōji are not just judges; they are performers and cultural guardians. The colors and embroidery of their garments change with the seasons, often incorporating motifs symbolizing prosperity and purity.

PerspectiveRole / Meaning
Aesthetic AspectAttire and fan designs feature traditional patterns
Ritual AspectCeremonial movements rooted in Shinto beliefs
Cultural ImpactRepresenting Japan’s heritage worldwide
Educational ValueTeaching respect, discipline, and composure through conduct

Modern gyōji balance tradition with clarity, ensuring matches are easy to follow for both Japanese and international audiences. Their effort allows sumo to remain a living cultural heritage—old yet ever renewed.


Conclusion

The Kimura and Shikimori families are the twin pillars supporting the spiritual and cultural core of sumo. Despite their stylistic differences, both uphold the same ideals of fairness, respect, and pride.
Every fan movement, every word they speak, carries centuries of history and devotion.

When watching sumo, take a moment to observe the gyōji standing between the wrestlers. In their quiet composure and precise movements, you can see the living expression of Japanese aesthetics, discipline, and spiritual grace.

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