Kamen Rider Zi O Wiki

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This article is about a monster in Kamen Rider Zi-O.

Kuroto Dan

Kamen Rider OOO



The series is divided into four story arcs:[1]. Episode 01-16 - Rider Time, the Demon King of Future (「ライダータイム、未来の魔王」編,Raidā Taimu, Mirai no Maō Hen), this arc introduces most of the main characters and the plot.

Other media

Episode 17-30 - Trinity Time, Servant and Demon King and Saviour (「トリニティタイム、従者と魔王と救世主」編,Toriniti Taimu, Jūsha to Maō to Kyūseishu Hen), this arc features White Woz who seeks to create GeizRevive, the 3 riders of the future, and the preparation of Oma's Day.






Video Game appearances

Behind The Scenes

It also shows Sougo’s past and how his dreams of becoming king came to be. Episode 31-43 - Grand Time, the New Future (「グランドタイム、新たなる未来」編,Gurando Taimu, Aratanaru Mirai Hen), this arc deals with Tsukuyomi’s past as she regains her memories.
In 2016, Kuroto Dan (檀 黎斗,Dan Kuroto) was Kamen Rider Genm (仮面ライダーゲンム,Kamen Raidā Genmu), until the creation of Another Ex-Aid erased the Rider's history.

In Kamen Rider Zi-O, he was transformed into an Another Rider (アナザーライダー,Anazā Raidā)Another OOO (アナザーOOO,Anazā Ōzu), an Another Rider derived from Kamen Rider OOO Tatoba Combo. He now refers himself as King Kuroto Dan (ダン黎斗クロトオウ,Dan Kuroto Ō).


Kamen Rider Zi-O

"True. I am Kuroto Dan. But after I acquired the power of a king, that name is merely an echo. Now I have become....KING KUROTO DAN!!!"
―Kuroto introduces himself.[src]

Due to the alteration of the timeline, most of Kuroto's life as a Rider, such as his first transformation into Genm, his first death and his revival as a Bugster as well the creation of Genm Corp. are negated, due to Sougo obtaining the Ex-Aid Ridewatch earlier. As a result, he is still alive in 2018, retaining his God-complex, psychotic and foolish personalities. As Woz introduces the next legend, he is seen holding his Dangerous Zombie Gashat, as he maniacally laughs alone in his office.

Kuroto, donning his royal garb and dubbing himself as King Kuroto Dan (ダン黎斗クロトオウ,Dan Kuroto Ō), is the CEO of the Dan Foundation. Somewhere in the year 2010, Time Jacker Heure made a contract with Kuroto to become Another OOO. Using his authority, Kuroto established the Foundation in 2016 after the death of his father, and the Foundation soon grew into a mega corporation within two years. As an Another Rider, he uses cell medals to summon Kuzu Yummies to subjugate the people. Kuroto holds a press conference and declares that Dan Foundation will rule as a sovereign nation independent from Japan, with all of their properties becoming their own national territory where Japan's own laws become null and void. However, when a member of the National Diet rejects Kuroto's rule, Kuroto tosses a Cell Medal on him to become a Kuzu Yummy. It is also reported that Kuroto has held a member of the National Diet hostage.

After they rescued civilians from Kuzu Yummies, the three meet Kuroto Dan and he transforms himself into Another OOO as he is about to attack them before the Taka Watchroid suddenly shows up out from nowhere and attacking Another OOO. The Genm Ridewatch suddenly drops from Another OOO while Tsukuyomi sees Another OOO's year number at the back, initially seeing it as 2016 as he escapes into his own castle. While Sougo decides to follow Kuroto, Geiz and Tsukuyomi examine the Genm Ridewatch, which is similar to Ex-Aid's, before traveling back to the year 2016 in order to confront Another OOO. Geiz uses the Genm Ridewatch to become Geiz Genm Armor and manage to defeat Another OOO, but his efforts remain futile as Another OOO revived, as confirmed by Sougo in 2018. Tsukuyomi realizes that Another OOO was not created in 2016, but actually way earlier in 2010, due to Another OOO's digits in the back having slight discrepancy.

Back in 2018, as Kuroto decides on the motif of his next royal garb to be based on a zombie, Hina Izumi, an employee of the Foundation, decides to question his rule. Kuroto, applauding her boldness, decides to take her as his queen, but her objections incite the anger of Kuroto. Kuroto is then about to kill Hina, but he was interrupted by an enthusiastic Sougo. After Sougo explained his reason and ambitions, Kuroto was initially vexed by Sougo's idea. Nevertheless, he appoints Sougo as one of his loyal retainers. After observing Zi-O's battle with Geiz, Kuroto promotes Sougo to captain of the royal guard as he orders his Yummy servants to imprison Hina in the same room as the Diet member taken hostage, who turns out to be Eiji Hino. [Genm Master 2016]

In order to prevent Kuroto Dan from dominating Japan, Sougo has been provided two Ridewatches of OOO (Tatoba and Tajadol Combos respectively) by Eiji, before going to 2010. Zi-O uses the OOO Tatoba Combo Ridewatch to equip OOOArmor and OOO Tajadol Combo Ridewatch on his Time Mazine to defeat Another OOO, rendering Kuroto unconscious after a taunt from Woz. [Hawk, Tiger, and Grasshopper 2010]


A year later, Kuroto was presumably attacked by Hiryu Kakogawa and had his power of Another OOO taken from him offscreen, as by the start of episode 25, Hiryu can already assume the form of Another OOO. [Another Zi-O 2019]


When Ex-Aid's history was erased as a result of the Time Jackers' meddling in 2016 and subsequently Another OOO's power six years prior, Kuroto's personality is the same as he was in the series, but has evolved into a power-hungry, ruthless tyrant. An example of this is declaring war against the world and turning anyone into Kuzu Yummies who are foolish enough to defy him. This display of abuse of power earned him the ire of both Sougo and Black Woz; the former desiring to be a benevolent ruler with the desire to protect anyone, while the prophet mocks him after being defeated by Sougo and sees Kuroto as a "fertilizer" for his future master's growth to become a demon king after being defeated.

Powers and Abilities

  • Episode 44-49 - End Time, the Destruction and Reborn of the World (「終焉の時、世界の破壊と再生」編,Shūen no Toki, Sekai no Hakai to Saisei), this deals with Swartz’s real plan to become king and Sougo becoming Ohma Zi-O. Each episode title is written in either katakana or hiragana, and includes the year relevant to that particular episode, which is often the premiere year of the original Legend Rider in the case of tribute episodes.
  • Starting with episode 30, this format is reversed, starting with the year first, then the title. Similar to the previous two Rider series, many episodes still use the English language in most of their parts of the episode’s title, though there are exceptions.
  • As the show pays tribute to the Heisei period Kamen Riders, each episode title consists of a short phrase related to a particular Heisei Rider series and a year relevant to it.
  • Kingdom 2068 (キングダム2068,Kingudamu Nisen-rokujūhachi)Start of events leading to Kamen Rider Build tribute. Start of events leading to Kamen Rider Build tribute. Best Match 2017 (ベストマッチ2017,Besuto Matchi Nisen-jūnana)Tribute to Kamen Rider Build.


  • Tribute to Kamen Rider Build. Doctor Gamer 2018 (ドクターゲーマー2018,Dokutā Gēmā Nisen-jūhachi)Tribute to Kamen Rider Ex-Aid.

Another OOO

―Transformation announcement[src]
  • Tribute to Kamen Rider Ex-Aid.
  • No Continue 2016 (ノーコンティニュー2016,Nō Kontinyū Nisen-jūroku)Tribute to Kamen Rider Ex-Aid.
  • Tribute to Kamen Rider Ex-Aid.
  • 2011 (スイッチオン!2011,Suitchi On!
  • Nisen-jūichi)Tribute to Kamen Rider Fourze and Kamen Rider 555.
  • Tribute to Kamen Rider Fourze and Kamen Rider 555.

Another OOO (アナザーオーズ,Anazā Ōzu) is the form taken by Kuruto Dan in the timeline altered by the actions of the Time Jackers. By receiving the OOO Another Watch, he gains the power of Kamen Rider OOO.

Powers and Abilities
  • 555・913・2003 (555・913・2003,Faizu Kaiza Nisen-san)Tribute to Kamen Rider Fourze and Kamen Rider 555. Tribute to Kamen Rider Fourze and Kamen Rider 555.
  • Magic Showtime 2018 (マジック・ショータイム2018,Majikku Shōtaimu Nisen-jūhachi)Tribute to Kamen Rider Wizard. Tribute to Kamen Rider Wizard. Beauty & Beast 2012 (ビューティ&ビースト2012,Byūti & Bīsuto Nisen-jūni)Tribute to Kamen Rider Wizard. Tribute to Kamen Rider Wizard. Genm Master 2016 (ゲンムマスター2016,Genmu Masutā Nisen-jūroku)Tribute to Kamen Rider OOO and Kamen Rider Ex-Aid.

Appearances:Zi-O Episodes 9-10



  • Tribute to Kamen Rider OOO and Kamen Rider Ex-Aid.


  • Hawk, Tiger, and Grasshopper 2010 (タカとトラとバッタ2010,Taka to Tora to Batta Nisen-jū)Tribute to Kamen Rider OOO and Kamen Rider Ex-Aid. Tribute to Kamen Rider OOO and Kamen Rider Ex-Aid. Zi-O On Parade 2018 (ジオウ·オン·パレード2018,Jiō On Parēdo Nisen-jūhachi)Tribute to Kamen Rider Gaim. Tribute to Kamen Rider Gaim. My × My Stage 2013 (オレ×オレのステージ2013,Ore × Ore no Sutēji Nisen-jūsan)Tribute to Kamen Rider Gaim. Tribute to Kamen Rider Gaim. Ghost Hunter 2018 (ゴーストハンター2018,Gōsuto Hantā Nisen-jūhachi)Tribute to Kamen Rider Ghost and Kamen Rider Decade. Tribute to Kamen Rider Ghost and Kamen Rider Decade. Ghost 2015 (GO!GO!ゴースト2015,GO! Gōsuto Nisen-jūgo)Tribute to Kamen Rider Ghost and Kamen Rider Decade. Tribute to Kamen Rider Ghost and Kamen Rider Decade. Back to 2068 (バック・トゥ・2068,Bakku tu Nisen-rokujūhachi). Forever King 2018 (フォーエバー・キング2018,Fōebā Kingu Nisen-jūhachi).

Behind The Scenes


Kuroto Dan is portrayed by Tetsuya Iwanaga (岩永 徹也,Iwanaga Tetsuya). As Another OOO, his suit actor is Eitoku (永徳).

Concept Art

Another OOO was designed by Yutaka Izubuchi (出渕 裕,Izubuchi Yutaka).


  • Our Goal 2019 (おれたちのゴール 2019,Ore-tachi no Gōru Nisen-jūkyū). 2019 (ブレイド・ジョーカー!?2019,Bureido Jōkā?! Nisen-jūkyū)Tribute to Kamen Rider Blade and Kamen Rider Decade. Tribute to Kamen Rider Blade and Kamen Rider Decade.
  • 2019: Trinity Has Begun! (2019:トリニティはじめました!,Nisen-jūkyū: Toriniti Hajimemashita!)Tribute to Kamen Rider Blade and Kamen Rider Decade. Tribute to Kamen Rider Blade and Kamen Rider Decade. 2001: Awaken, that Agito! (2001:めざめろ、そのアギト!,Nisen-ichi: Mezamero, Sono Agito!)Tribute to Kamen Rider Agito. Tribute to Kamen Rider Agito. 2001: Unknown Memory (2001:アンノウンなキオク,Nisen-ichi: An'nōn'na Kioku)Tribute to Kamen Rider Agito. Tribute to Kamen Rider Agito. (2005:いわえ!ひびけ!とどろけ!,Nisen-go: Iwae! Todoroke!)Tribute to Kamen Rider Hibiki. Tribute to Kamen Rider Hibiki. 2019: Heisei Oni, Reiwa Oni (2019:ヘイセイのオニ、レイワのオニ,Nisen-jūkyū: Heisei no Oni, Reiwa no Oni)Tribute to Kamen Rider Hibiki. Tribute to Kamen Rider Hibiki. 2008: First Love, Wake Up! (2008:ハツコイ、ウェイクアップ!,Nisen-hachi: Hatsukoi, U~eikuappu!)Tribute to Kamen Rider Kiva. Tribute to Kamen Rider Kiva. 2019: First Love, Finaly! (2019:ハツコイ、ファイナリー!,Nisen-jūkyū: Hatsukoi, Fainarī!)Tribute to Kamen Rider Kiva. Tribute to Kamen Rider Kiva. 2006: Next Level Kabuto (2006:ネクスト・レベル・カブト,Nisen-roku: Nekusuto Reberu Kabuto)Tribute to Kamen Rider Kabuto. Tribute to Kamen Rider Kabuto. 2019: The Chosen Kabuto (2019:カブトにえらばれしもの,Nisen-jūkyū: Kabuto ni Eraba Reshi Mono)Tribute to Kamen Rider Kabuto. Tribute to Kamen Rider Kabuto. 2007: DenLiner Crash! (2007:デンライナー・クラッシュ!,Nisen-nana: Denrainā Kurasshu!)Tribute to Kamen Rider Den-O. Tribute to Kamen Rider Den-O. 2017: Grand Climax! (2017:グランド・クライマックス!,Nisen-jūnana: Gurando Kuraimakkusu!)Tribute to Kamen Rider Den-O. Tribute to Kamen Rider Den-O. 2019: World, Reset (2019:セカイ、リセット,Nisen-jūkyū: Sekai, Risetto).
  • Rider Time: Kamen Rider Decade VS Zi-O -Decade Mansion's Death Game- (RIDER TIME 仮面ライダーディケイド VS ジオウ -ディケイド館のデス・ゲーム-,Raida Taimu: Kamen Raidā Dikeido Tai Ji-Ō -Dikeido-Kan no Desu Gēmu-). Rider Time: Kamen Rider Zi-O VS Decade -7 of Zi-O!- (RIDER TIME 仮面ライダージオウ VS ディケイド -7人のジオウ!-,Raidā Taimu: Kamen Raidā Ji-Ō Tai Dikeido -Nana-Nin no Ji-Ō-).
  • Tribute to Showa Era and Kamen Rider (1971). Super Hero Festival: Kamen Rider × Super Sentai LIVE & SHOW 2019 (超英雄祭 KAMEN RIDER×SUPER SENTAI LIVE&SHOW 2019,Cho Eiyu Sai Kamen Raidā x Sūpā Sentai Raibu Ando Shō 2019). Kamen Rider Super Live 2019 (仮面ライダースーパーライブ2019,Kamen Raidā Sūpāraibu 2019).


  • Kamen Rider Zi-O: Final Stage (仮面ライダージオウ ファイナルステージ,Kamen Raidā Jiō Fainaru Sutēji)Tribute to Showa Era, Seven Legendary Riders, Kamen Rider The First, Kamen Rider The Next, Kamen Rider Amazons.

See Also

  • After Lupinranger VS Patranger’s conclusion, it was joined by 4 Week Continuous Special Super Sentai Strongest Battle!!
  • in February 2019 and later Kishiryu Sentai Ryusoulger in March 2019.
  • After the finale of Zi-O, Ryusoulger was joined by Kamen Rider Zero-One in the Superhero Time block.
  • The motif of the show is time. The show tagline is "Go beyond space-time!"


  1. (時空を超えろ!,Jikū wo koero!). Much like Kamen Rider Decade, it commemorates all of the Heisei-era Kamen Riders to date. The average ratings of the series was 3.0%.
Kamen Riders
Sougo Tokiwa (Over Quartzer) - Geiz Myokoin (Over Quartzer) - Woz (Black, (Over Quartzer), White, Red) - Tsukuyomi (Over Quartzer)
Other Sougo Tokiwa variations
Ohma Zi-O - Mirror World - Leader of Quartzer - B - C - D - E - F - Robot Sougo - True Sougo
Future Kamen Riders
2022 (Rentaro Kagura - Isamichi Konjo) - 2040 (Mondo Douan) - 2121 (Rento Makina) - Kamen Rider Ginga
Rider Time Ryuki Riders
Ishihashi - Tozuka - Kimura - Ishida - Abyss - Odin
Another World Riders
G4 - Fuma - Dark Ghost - Rey - Katsumi Daido - White Woz - Yuuki
Other Riders
G3 Team - Shun Kageyama (Worm)
Movie-exclusive Riders
SOUGO Tokiwa - Kagen - Jogen - Soreo Hiden
Stageshow-exclusive Riders
Hiryu Kakogawa - Red Woz
Transformation Devices
Ziku-Driver - Ohma Zi-O Driver - Beyondriver - Miraidriver (Shinobi, Hattari, Quiz, Kikai, Ginga) - NeoDecadriver - NeoDiendriver - K-Touch21
Ridewatches - Miridewatches- Ridewatch Holder - Ridewatch Daizer - Faizphone X - Taka Watchroid - Kodama Suika Arms
Zikan Girade - Zikan Zax - Ride HeiSaber - Zikan Despear - Saikyo Girade - Zikan Jaclaw - Barlckxs' Sword
Ride Striker - Time Mazine - Dai Mazine - Karakuri Robos (Kurogane Oogama - Unnamed Wasp-based Karakuri Robo)
Rider Armors - Ohma Advent Calendar - Future Note - Time Finishers
9 5 DO: Geiz Myokoin - Tsukuyomi - Junichiro Tokiwa
Futaros - Ataru Hisanaga - Shingo Hisanaga - Iroha Kagura - Master Gamano - Sara - Ms. Sailor - Oda Nobunaga - Clara Steinbelt - Gyuzo - Pietro - Resistance Captain
Legend Riders
Kamen Rider: Takeshi Hongo
Kuuga: Yusuke Godai
Agito: Shoichi Tsugami - Takahiro Omuro
Ryuki: Shinji Kido - Dark Shinji - Ren Akiyama - Takeshi Asakura - Miyuki Tezuka - Jun Shibaura - Goro Yura
555: Takumi Inui - Masato Kusaka
Blade: Kazuma Kenzaki - Hajime Aikawa
Hibiki: Hitoshi Hidaka - Tomizo Todayama - Kyosuke Kiriya
Kabuto: Soji Tendo - Arata Kagami - So Yaguruma
THE FIRST/THE NEXT: Takeshi Hongo - Hayato Ichimonji - Shiro Kazami
Den-O: Ryotaro Nogami - Yuto Sakurai
Kiva: Wataru Kurenai - Jiro
Decade: Tsukasa Kadoya - Daiki Kaito - Yusuke Onodera - Natsumi Hikari
G: Goro
W: Philip & Shotaro Hidari - Ryu Terui
OOO: Eiji Hino - Michal Minato - Akira Date - Shintaro Goto
Fourze: Gentaro Kisaragi
Wizard: Haruto Soma - Kosuke Nitoh
Gaim: Kouta Kazuraba - Kaito Kumon - Takatora Kureshima
Drive: Shinnosuke Tomari - Go Shijima - Chase - Brain
Ghost: Takeru Tenkuji - Makoto Fukami
Kuuga (manga): Yusuke Godai
Amazons: Haruka Mizusawa - Jin Takayama
Ex-Aid: Emu Hojo - Hiiro Kagami - Kiriya Kujo - Kuroto Dan - Masamune Dan
Kamen Sentai Gorider: Aka-Rider - Ao-Rider - Ki-Rider - Momo-Rider - Mido-Rider
Build: Sento Kiryu - Ryuga Banjo - Kazumi Sawatari - Gentoku Himuro - Evolto
Zero-One: Aruto Hiden - Isamu Fuwa - Yua Yaiba - Jin - Horobi
Saber: Touma Kamiyama - Rintaro Shindo - Kento Fukamiya - Ryo Ogami - Ren Akamichi - Tetsuo Daishinji - Yuri - Reika Shindai - Ryoga Shindai
Chuta Ohsugi - Daita Kondou - Chikao Nezu - Hina Izumi - Shibuya Hachioji - Narita Kisarazu - Misora Isurugi - Master of Fumen - Owner - Momotaros - Urataros - Kintaros - Ryutaros - Eri Ogawa - Daisuke Okubo - Amane Kurihara - Mana Kazaya - Riki - Ramon - Deneb - Krim Steinbelt - Takeshi Kinashi - Izu - Shesta - Jun Fukuzoe - Sanzo Yamashita - Narutaki
Time Jackers
Swartz - Heure - Ora
Movie Exclusive
Tid - Finis
Kamen Riders:SOUGO Tokiwa - Kagen - Jogen - Woz
Another Riders
Another Build - Another Ex-Aid - Another Fourze - Another Faiz - Another Wizard - Another OOO - Another Gaim - Another Ghost - Another Double - Another Den-O - Another Kuuga - Another Shinobi - Another Quiz - Another Ryuga - Another Kikai - Another Zi-O (II) - Another Ryuki - Another Blade - Another Agito (troops) - Another Hibiki - Another Kiva - Another Kabuto - Another Drive - Another Decade
Movie-exclusive Another Riders
Another Zero-One - Another 1 - Another Diend
Stageshow-exclusive Another Riders
Another Rider - No Rider - Another Ohma Zi-O
Novel-exclusive Another Riders
Another Ohma Zi-O Trinity - Another Tsukuyomi - Another Geiz - Another Woz
Other Villains
Kasshine - Humanoise - Worms - Elementary Inves - Trilobite Magia - Battle Magia
Niji no Hebi: Yaminin - Dustards