Jun Kasai

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Japanese professional wrestler

title: "Jun Kasai" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["1974-births", "20th-century-male-professional-wrestlers", "20th-century-japanese-professional-wrestlers", "21st-century-male-professional-wrestlers", "21st-century-japanese-professional-wrestlers", "living-people", "people-from-obihiro", "professional-wrestlers-from-hokkaido", "japanese-male-professional-wrestlers", "gaora-tv-champions", "uwa-world-trios-champions", "ddt-extreme-champions", "wrestle-1-tag-team-champions", "wew-hardcore-tag-team-champions", "wew-world-tag-team-champions", "bjw-tag-team-champions", "czw-ultraviolent-underground-champions", "international-ribbon-tag-team-champions", "czw-tournament-of-death-winners", "czw-world-tag-team-champions", "king-of-freedom-world-champions", "king-of-freedom-world-tag-team-champions", "czw-world-junior-heavyweight-champions"] description: "Japanese professional wrestler" topic_path: "technology/web" source: "https://en.wikipedia.org/wiki/Jun_Kasai" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Japanese professional wrestler ::

::data[format=table title="Infobox professional wrestler"]

FieldValue
nameJun Kasai
image20230718kasai1.jpg
captionKasai in July 2023
birth_date
birth_placeObihiro, Hokkaido, Japan
spouseMichiyo Kasai
children2
namesJun Kasai
Crazy Monkey
Ape The Man
Junko Kasai
Nazo Fukumen KJ
Son Goku
Kuki Yoshitaka
X1112
height1.73 m
weight88 kg
billedHiladelhia, America
debutAugust 23, 1998
::

| name = Jun Kasai | image = 20230718kasai1.jpg | caption= Kasai in July 2023 | image_size = | birth_date = | birth_place = Obihiro, Hokkaido, Japan | death_date = | death_place = | spouse = Michiyo Kasai | children = 2 | names = Jun Kasai Crazy Monkey Ape The Man Junko Kasai Nazo Fukumen KJ Son Goku Kuki Yoshitaka X1112 |height=1.73 m |weight=88 kg | resides = | billed =Hiladelhia, America | trainer = | debut = August 23, 1998 | retired =

Jun Kasai (born September 9, 1974) is a Japanese professional wrestler, primarily competing for Pro Wrestling Freedoms. Dubbed the Crazy Monkey for his violent and often self-harmful style of hardcore wrestling, Kasai is considered a breakthrough talent in Japanese wrestling, able to work both hardcore and technical styles. Outside Freedoms, Kasai has worked for the original Pro Wrestling Zero-One, Hustle, Ice Ribbon, Combat Zone Wrestling (CZW) and Big Japan Pro Wrestling (BJW).

Professional wrestling career

::figure[src="https://upload.wikimedia.org/wikipedia/commons/d/dd/Jun_Kasai_on_September_9,2007(cropped).jpg" caption="Kasai in 2007"] ::

In 1998, Kasai made his debut in a Big Japan Pro Wrestling (BJW) event in Osaka during the Deathmatch Wrestling boom of the late 90s. As BJW established a working relationship with American promotion Combat Zone Wrestling (CZW) at the turn of the millennium, Kasai joined the stable "CZW Warriors" (CZW Army) and feuded against the "BJW Warriors". Kasai formed the stable "Big Dealz" in 2001, with John Zandig, Nick Mondo, Wifebeater, Z-Barr and Trent Acid.

Since then Kasai has wrestled mainly for BJW and occasionally for other promotions such as Pro Wrestling Zero-One, K-Dojo and Apache Pro-Wrestling Army. Kasai's body is covered in scars, from all the hardcore wrestling he has done. This includes a Fans Bring the Weapons Match from the CZW show "Un F'n Believable", in which he took a bump onto a light tube board which ripped open his left elbow, exposing bone. In 2006 he won the first-ever IWA East Coast Masters of Pain after defeating Toby Klein, Mad Man Pondo and J. C. Bailey.

Kasai has participated five times in an extremely bloody "Razor Deathmatch"; a hardcore match where boards are fitted with many razor blades. The first of these deathmatches was held in 2005 with Jaki Numazawa, in which Jun took a powerbomb onto the razor bladed board. In the second one, held in 2008, Kasai's match was against the American wrestler Masada. On November 20, 2009, he defeated Ryuji Ito in another razor match after a double underhook facebuster on a cactus.

The fourth time was on April 5, 2010 where Kasai competed in a Barbwire Treaty Death Match that pitted Team CZW (Kasai, D. J. Hyde and Nick Gage) against Team BJW (Jaki Numazawa, Isami Kodaka and Masashi Takeda) in which a razor blade board was used in several bumps. On June 21, 2010 Kasai competed against the Necro Butcher in a Hardcore match for the Freedoms promotion; the razor blade board came into play mid way through the match.

In 2012, Kasai teamed regularly with American pro-wrestler/rapper One Man Kru. Together, they defeated the team of The Great Sasuke and Kesen Numajiro in a fluorescent light tubes death match at the September 9, 2012 Freedoms event in Iwate, Japan.

::figure[src="https://upload.wikimedia.org/wikipedia/commons/5/5b/20230402kasai1.jpg" caption="Kasai in April 2023"] ::

On January 3, 2021, Kasai defeated Yoshitatsu to win the All Japan Pro Wrestling's Gaora TV Championship.

On July 4, 2023 Kasai made his New Japan Pro Wrestling debut at Independence Day in a winning effort in the main event teaming with El Desperado against Jon Moxley and Homicide.

Personal life

Kasai is married to his wife Michiyo; the couple have a daughter together. Kasai also has a son, Hinata, from a previous relationship. In July 2025, DDT Pro-Wrestling revealed Hinata had been training for them. He made his debut the following month at Wrestle Peter Pan 2025.

He was born in Hokkaido and now lives in the mainland, but claims on his official website that he is from "Hiladelhia, America" as a joke; he has described Philadelphia as his second homeland. While Kasai wrestled in the United States, he was a lodger in Matthew Prince, better known as the wrestler Wifebeater's house. He has described Prince as a real madman, unlike many deathmatch wrestlers who are in fact gentlemen outside the ring.

Other media

Kasai is the subject of a documentary called Kyo-En. The documentary was released in 2021. In 2025, videogame creator Hideo Kojima praised the film.

Championships and accomplishments

::figure[src="https://upload.wikimedia.org/wikipedia/commons/8/81/BJW_Razor_Cross_Board_-_May_4,_2010.JPG" caption="Since 2005, there have been "razor blade board" deathmatches in BJW, Apache Pro Wrestling and Freedoms, and all of them have involved Kasai."] ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/b6/葛西純2019.jpg" caption="King of Freedom World Champion"] ::

References

References

  1. de
  2. [http://wrestlingzone.ru/star/j/junkasai/ WrestlingZone.ru : Jun Kasai] {{in lang. ru
  3. (November 10, 2012). "11・9 まこかなプロ <新宿Face・ 326人>". [[Wrestling New Classic]].
  4. "【横浜リポート2】Pの正体は福田…謎覆面との抗争は終結". [[Union Pro Wrestling]].
  5. "新北京プロレス Japan Tour 2009 in Shinjuku Face". [[Dramatic Dream Team]].
  6. link. (May 29, 2015). Miruhon
  7. [http://www.onlineworldofwrestling.com/results/czw/010414.html Online World of Wrestling : Combat Zone Wrestling - CZW Un F'n Believable]
  8. de
  9. "'Twas The Night Before Wrestle Kingdom, All Japan Returns To Korakuen Hall And Tons More From Japan". PWInsider.com.
  10. "Death Match".
  11. [http://homepage3.nifty.com/suna-top/prof.html Official profile] {{Webarchive. link. (2012-10-01 {{in lang). ja
  12. [http://www6.plala.or.jp/SLASHDOWN/jinmeitumanaguri.html The Weekly Proresu Directory: ''15 years Chronicle''] {{webarchive. link. (2009-03-18 {{ISBN). 4-583-61261-3 {{in lang. ja
  13. Solowrestling. (2025-04-03). "Hideo Kojima se rinde ante Jun Kasai: 'Es un artista del entretenimiento con su cuerpo'".
  14. (November 27, 2017). "【試合結果】11･26 ダブプロレス新木場大会 【Dove世界ヘビー級】Hayatavs谷嵜なおき 【Doveタッグ】Yo-Hey＆近野剣心vsグンソ＆葛西純". Battle News.
  15. "H26.9.15 岩手・一関市総合体育館ﾕｰﾄﾞｰﾑﾒｲﾝｱﾘｰﾅ大会". Freedoms.
  16. "H27.12.25 後楽園ホール大会「葛西純プロデュース興行」". Freedoms.
  17. "H28.5.2 後楽園ホール". Freedoms.
  18. "H26.9.23千葉・東武ｽﾎﾟｰﾂｸﾗﾌﾞ ﾌﾟﾚｵﾝ船橋ｱﾘｰﾅ大会". Freedoms.
  19. "Pro Wrestling Illustrated (PWI) 500 for 2022". The Internet Wrestling Database.
  20. link. (24 May 2023)
  21. (2016-12-09). "「Wrestle-1 Tour 2016 Shining Winter」". [[Wrestle-1]].
  22. (2015-07-12). "Wrestle-1 Tour 2015 Symbol". [[Wrestle-1]].
  23. (2016-07-29). "「Wrestle-1 Tour 2016 Symbol」". [[Wrestle-1]].

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

1974-births20th-century-male-professional-wrestlers20th-century-japanese-professional-wrestlers21st-century-male-professional-wrestlers21st-century-japanese-professional-wrestlersliving-peoplepeople-from-obihiroprofessional-wrestlers-from-hokkaidojapanese-male-professional-wrestlersgaora-tv-championsuwa-world-trios-championsddt-extreme-championswrestle-1-tag-team-championswew-hardcore-tag-team-championswew-world-tag-team-championsbjw-tag-team-championsczw-ultraviolent-underground-championsinternational-ribbon-tag-team-championsczw-tournament-of-death-winnersczw-world-tag-team-championsking-of-freedom-world-championsking-of-freedom-world-tag-team-championsczw-world-junior-heavyweight-champions