🦶 CRYPTID SIGHTING · EXP. Nº0555 ACTIVE

Gashadokuro

Gashadokuro is a cryptid — a creature whose existence is unconfirmed by science — with reported sightings near Tokyo (Kantō), JP. This file collects the accounts and folklore surrounding it.

Where and when was Gashadokuro sighted?

Location: Tokyo (Kantō), JP
Date sighted: Unknown
Coordinates: 35.687, 139.763
Testimonies: 0
Last updated: 2026-08-31

LOCATION

What is Gashadokuro?

The gashadokuro is a giant skeleton said to assemble itself from the unburied bones of the war dead and the starved — and unlike almost any other monster, it has a birth certificate. It appeared in print for the first time in November 1966, in a feature on "the Japanese yokai right beside you" in the Kodansha girls' manga magazine Bessatsu Shōjo Friend: a huge skeleton that clatters gachi-gachi at every step, with only its eyeballs bulging out. The author was Saitō Morihiro, a science journalist, science-fiction writer and founding member of the Science Fiction Writers of Japan, who later explained that he had built the creature out of a British ghost story printed in a boys' magazine the year before — the rattling Black Knight of Glamis Castle, whose gasha-gasha gave the thing its name. The colossal skeleton everybody pictures is older and is somebody else: Utagawa Kuniyoshi's print of about 1844, where Takiyasha raises skeletons in the ruined palace at Sōma. Children's yokai encyclopedias of the 1970s welded the two together. In the standard database of Japanese folklore reports, the word returns nothing at all.

Gashadokuro — illustration — Utagawa Kuniyoshi, “Sōma no furudairi”, c. 1844: Takiyasha raises skeletons at the ruined palace of Sōma, a scene from Santō Kyōden's novel of 1806, where they are many skeletons of ordinary size — the single colossus is the printmaker's invention. It is not a gashadokuro. That name was coined in a manga magazine in November 1966, and children's yokai books of the 1970s attached it to this print. Image: Public domain

What is the history of Gashadokuro?

Almost no monster has a birth certificate. This one does, and it is dated November 1966. That month the Kodansha girls' manga magazine Bessatsu Shōjo Friend ran a feature called "the Japanese yokai right beside you". Among the creatures listed was a giant skeleton described in one line: it clatters, gachi-gachi, at every step, and only its eyeballs bulge out. The piece was written by Saitō Morihiro, and that first printed description is the whole of the gashadokuro. There is no earlier one. Saitō (7 July 1932 – 14 April 2017) was not a folklorist. Born in Mikawashima, in what is now Tokyo's Arakawa ward, he read particle physics at Tokyo University of Education, called himself an "avant-garde science critic", belonged to the Japanese Archaeological Association and the Astronomical Society of Japan, and on 5 March 1963, in a restaurant in Shinjuku, was one of the founders of the Science Fiction Writers of Japan alongside Komatsu Sakyō, Hoshi Shin'ichi and Fukushima Masami. Through the sixties and seventies he was a fixture on Japanese television and radio as a science explainer, and later wrote on lost civilisations and UFOs. The yokai he supplied to children's magazines were work, and some of them he made up. This one he made up out of Scotland. Saitō said so himself, and the account is set down by Makuhari Hongō Takeshi in his chapter on the horror features of Japanese children's magazines and where their material came from, in Retsudentai yōkaigaku zenshi (Bensei Shuppan, 2021), pages 152-154: the model was a British ghost story, "the Black Knight of Glamis Castle", which Kodansha's boys' magazine Bokura had printed in its May 1965 issue. The ghost rattled — gasha-gasha — and that noise, transplanted, is where the name comes from. A yokai routinely sold as ancient Japanese folklore is named after the sound a Scottish castle ghost made in a comic for boys. The famous picture is older, and it is not a gashadokuro. It is Utagawa Kuniyoshi's ōban triptych Sōma no furudairi, known in English as Takiyasha the Witch and the Skeleton Spectre, which the Victoria and Albert Museum dates to about 1844 and Japanese cataloguing to Kōka 2-3, 1845-46. It illustrates Santō Kyōden's yomihon Utō Yasukata chūgiden, published in 1806 and never finished. Takiyasha-hime — originally Satsuki-hime, and according to the Nihon jinmei daijiten a character Kyōden built on Nyozōni, the third daughter of Taira no Masakado — is cornered in the ruined palace at Sōma, in Shimōsa, and raises skeletons against Ōya Tarō Mitsukuni and Yamashiro Mitsunari, the two men sent from the capital to finish off her father's cause. Japanese scholarship on the print, citing the 1996 Kuniyoshi bicentenary catalogue and volume 12 of Kyōden's collected works, makes a point of the difference: in the novel many life-size skeletons appear, and the single colossus is Kuniyoshi's own invention. The fusion came later. In the 1970s both Mizuki Shigeru and Satō Arifumi attached Kuniyoshi's colossus to Saitō's name, and Satō's Nihon yōkai zukan (Rippū Shobō, Jaguar Backs series, 1972, pages 178-179) was a children's bestseller reprinted dozens of times — a 27th printing by 1978. Saitō himself is credited among that book's material contributors. From there the gashadokuro entered video games, anime and the English-language internet with a thousand years of history it had never had.

Timeline: the documented record of Gashadokuro

Twelfth month of Hōki 9 (778) Homuchi no Makihito of Ōyama village, Ashida district, Bingo province, finds a skull with a bamboo shoot through its eye socket, removes it and leaves an offering. The skull names itself Anano Otogimi and says its uncle Akimaro murdered it. The tale is written down around 822 in the Nihon ryōiki, book three, tale 27, and has nothing to do with any giant skeleton.
940 Taira no Masakado, who had proclaimed himself New Emperor in the Kantō, is killed by his cousin Taira no Sadamori and Fujiwara no Hidesato. His head is carried to the capital. The mound in Ōtemachi where it is said to have come to rest is still there, and is the only physical anchor the later legend ever had.
1806 Santō Kyōden publishes the yomihon Utō Yasukata chūgiden, left unfinished. In it Takiyasha-hime — a character the Nihon jinmei daijiten says he modelled on Nyozōni, Masakado's third daughter — is cornered in the ruined palace at Sōma and raises skeletons against the envoys Ōya Tarō Mitsukuni and Yamashiro Mitsunari. Many life-size skeletons, not one colossus.
1836 The kabuki dance-drama Shinobiyoru koi wa kusemono premieres at the Ichimura-za as a scene of Yo ni Utō Sōma no furugosho, carrying Takiyasha onto the stage. Her fame in the nineteenth century is theatrical and literary, not devotional.
c. 1844-46 Utagawa Kuniyoshi issues the ōban triptych Sōma no furudairi, the print the English-speaking world calls Takiyasha the Witch and the Skeleton Spectre. The Victoria and Albert Museum dates its set (E.1333:1 to 3-1922) to about 1844; Japanese cataloguing puts it at 1845-46. The single giant skeleton is Kuniyoshi's departure from his source, and it is not called a gashadokuro by anyone for another 120 years.
May 1965 Kodansha's boys' magazine Bokura prints the British ghost story of "the Black Knight of Glamis Castle". Saitō Morihiro later identified this piece as the model for the creature he was about to invent, and the rattling gasha-gasha of the Scottish ghost as the source of its name.
November 1966 The gashadokuro appears in print for the first time, in the feature "the Japanese yokai right beside you" in Bessatsu Shōjo Friend, written by Saitō Morihiro: a huge skeleton that clatters gachi-gachi at every step, with only its eyeballs bulging out. That sentence is the creature's entire documented origin.
1968 Saitō's yokai material is reprinted in Yamauchi Shigeaki's Sekai kaiki thriller zenshū 2: Sekai no monsutā (Akita Shoten), one of the cheap illustrated horror volumes that carried the invention out of the magazines and into children's bookshelves.
1972 Satō Arifumi's Nihon yōkai zukan (Rippū Shobō, Jaguar Backs) devotes pages 178-179 to the gashadokuro and illustrates it with Kuniyoshi's colossus. Mizuki Shigeru does the same in his yokai plates. The book is a bestseller, reaching a 27th printing by 1978, and the name and the picture are welded together for good.
2021 Makuhari Hongō Takeshi sets out the origin in his chapter on the horror features of Japanese children's magazines and their sources, in Itō Shingo and Hyōrintei Hyōsen's Retsudentai yōkaigaku zenshi (Bensei Shuppan), pages 152-154, naming the 1966 issue, the 1965 Glamis story and Saitō's own account of how he built the creature.
14 August 2026 A search of the Nichibunken Kaii-Yōkai Denshō Database, 35,255 folklore case records, returns no match for がしゃどくろ, repeated twice, and none for the ateji 餓者髑髏. Controls run the same day in the same box: 髑髏 21 records, どくろ 1, ろくろ首 7, 大入道 103.

Is there a rational explanation for Gashadokuro?

The first question is not whether a giant skeleton walks at night. It is whether Japanese people ever said one did. The place to look is the Kaii-Yōkai Denshō Database of the International Research Center for Japanese Studies (Nichibunken), built under Komatsu Kazuhiko from the folklore journals catalogued in Takeda Dan's 1978 bibliography, from the Nihon zuihitsu taisei, from the folklore volumes of the prefectural histories and from Yanagita Kunio's Yōkai meii. It held 35,255 case records as of April 2023, and it is the closest thing there is to a census of what was actually collected in the field. Searched on 14 August 2026, がしゃどくろ returns no matches at all. The query was repeated to be sure; the second run returned nothing either, and the ateji spelling 餓者髑髏 returns nothing. In the same search box, the same day: 髑髏 (skull) returns 21 records, どくろ 1, ろくろ首 7, and 大入道 103. The zero is not a broken search. The word is simply not in the folklore record. The details our own file used to carry go the same way. The ringing in the ears and the vanishing at cockcrow could not be traced to any Japanese text, and neither is in the 1966 description, which gives a noise the thing makes with its own bones, not a sound inside the victim's head. The Shinto charm has a traceable source, and it is not Japanese: the English Wikipedia article attributes invisibility, indestructibility and the warding charms to Jonathan Maberry's Vampire Universe (Citadel, 2006), a pop compendium by an American horror novelist, tagged "better source needed" since April 2014, under a sentence the article itself prints: "The following characteristics are not confirmed by Japanese data." The hour of 2 a.m. comes from Matthew Meyer's The Night Parade of One Hundred Demons (2012). And the story of a skeleton loosed on Kyoto, which yokai.com carries, is not in Kyōden or in Kuniyoshi: there the skeleton rises in a ruined palace in Shimōsa, against two men, and it loses. Japan does have an ancient skull tale, and it is worth reading precisely because it is not this one. In the Nihon ryōiki, compiled around 822 by the monk Kyōkai of Yakushi-ji, book three, tale 27, Homuchi no Makihito of Ōyama village, Ashida district, Bingo province, finds in the twelfth month of Hōki 9 — 778 — a skull with a bamboo shoot driven through its eye socket. He pulls it out, leaves an offering of dried rice, and the skull thanks him, names itself as Anano Otogimi and says it was murdered by its uncle Akimaro. Mizuki Shigeru printed that story next to his gashadokuro entry with a note that it is not a gashadokuro. The note did not survive the journey: the official yokai list of Mizuki Shigeru Road today gives the gashadokuro's place of appearance as Ōyama village, Ashida district, Bingo — the address of a ninth-century skull, pinned to a creature invented in 1966.

Can you visit Gashadokuro?

There is no gashadokuro site, because there is no gashadokuro tradition. What there is can be visited, and it is worth being honest about which is which. The picture first. Kuniyoshi's triptych is in several museums; the Victoria and Albert Museum in London holds a set catalogued as E.1333:1 to 3-1922, dated about 1844, roughly 35 by 71 cm across the three ōban sheets, and its record is online with an image. Japanese woodblock prints are light-sensitive and are almost never on permanent display, so do not travel for it without checking first; the museum's own online record is, for most purposes, the way to see it. The one place where a gashadokuro physically stands is Sakaiminato, in Tottori prefecture, the home town of Mizuki Shigeru. Mizuki Shigeru Road runs roughly 800 metres from Sakaiminato station to the Mizuki Shigeru Memorial Museum, opened in 1993 and lined with 178 bronze yokai; the gashadokuro is number 93 on the road's own official list. The statues are lit from sunset until 22:00. The museum is at Honmachi 5-chōme, Sakaiminato (tel. 0859-42-2171); its opening hours and admission are not stated on the page consulted here, so check before going. Take the JR Sakai line from Yonago. The third address belongs to the history the legend borrowed, not to the legend. Masakado-zuka, the mound of Taira no Masakado's head, is at Ōtemachi 1-2-1, Chiyoda, Tokyo, a Tokyo Metropolitan designated historic site wedged among office towers beside the Ōtemachi One development, open air and free. Its sixth restoration ran from November 2020 to the end of April 2021, with Buddhist rites by the abbot of Nichirinji and Shinto rites by the priests of Kanda Myōjin on 26 April 2021. Since that work the preservation society asks visitors not to leave offerings and not to use the incense stand; the donation box remains. There is nothing about a giant skeleton here. It is a working place of worship in a business district, and it is treated as one. If you want the birthplace, it is a magazine: Bessatsu Shōjo Friend, November 1966. Copies turn up in Japanese library holdings and in the second-hand trade.

Sources consulted

Reviewed by V. Serrano on 2026-08-14 · How we verify our content

📎 Source: Enigma Atlas

Gashadokuro

Where and when was Gashadokuro sighted?

What is Gashadokuro?

What is the history of Gashadokuro?

Timeline: the documented record of Gashadokuro

Is there a rational explanation for Gashadokuro?

Can you visit Gashadokuro?

Sources consulted

💬 Field testimonies (0)

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Gashadokuro

Where and when was Gashadokuro sighted?

What is Gashadokuro?

What is the history of Gashadokuro?

Timeline: the documented record of Gashadokuro

Is there a rational explanation for Gashadokuro?

Can you visit Gashadokuro?

Sources consulted

💬 Field testimonies (0)

Add your testimony

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