This article is about a/an ranger in Kaizoku Sentai Gokaiger.
"Gokai Green!"
―Gokai Green's roll call[src]

Don Dogoier (ドン・ドッゴイヤー Don Doggoiyā), better known to the crew as "Doctor" (博士 Hakase) is Gokai Green (ゴーカイグリーン Gōkai Gurīn) of the Gokaigers.


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Super Hero Taisen

Don (Super Hero Taisen)

Don as the team confronted Marvelous.

When Marvelous takes control of Dai-Zangyack and leads them in battle against Kamen Riders, Don and Joe join with Daiki Kaito (Kamen Rider Diend), who is looking for Marvelous' treasure, and Hina Izumi, a friend of Eiji Hino (Kamen Rider OOO), in finding out. They eventually meet the crew of the time-travelling DenLiner. Kamen Rider × Super Sentai: Super Hero Taisen

Go-Busters vs. Gokaiger


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Super Hero Taisen Z

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The Gokaigers with the Zyuohgers.

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The Gokaigers returned to Earth in a quest spearheaded by Captain Marvelous with the goal being the treasure inside the Link Cube. As Marvelous acquired the treasure personally while Gai arranged for the legendary Sentai that had emerged since their initial departure to provide their Ranger Keys to assist them in battle, Don and the others were sent to provide a distraction, guided by Navi into a confrontation with the four Zyuman members of the 40th and current Super Sentai, the Doubutsu Sentai Zyuohger. Engaging the Zyuohgers so as to stall them, Gokai Green fought Zyuoh Lion one-on-one followed by his counterpart, Zyuoh Elephant. Finding themselves overwhelmed by the Zyuohgers' Instinct Awakened modes, the Gokaigers selected from the Ranger Keys of recent years that Gai had acquired in order to turn back the tide of the battle, with Gokai Green Gokai Changing into his counterpart from the Ressha Sentai ToQger. Ep. 28: The Space Pirates Return

Ep. 29: The Monarch of the Monarchs


He is a pacifist who causes trouble because he wants to avoid fighting. When frightened, Don will cower behind either Luka or Joe, but mostly Luka, often resulting in an elbow to the stomach.

Don, Ahim, and Gai are less single-minded about the treasure than their teammates and are more likable to other Sentai members, such as the Hurricanegers and Ninjaman.

Video game appearances

Gokaiger had two video games released during its run, Super Sentai Battle: Ranger Cross and Kaizoku Sentai Gokaiger: Gathered Transformation! 35 Sentai!. Gokai Green appeared with his team in both of them.

Super Sentai Battle: Ranger Cross


Gokai Green (Super Sentai Battle: Ranger Cross).

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Kaizoku Sentai Gokaiger: Gathered Transformation! 35 Sentai!


Gokai Green (Kaizoku Sentai Gokaiger: Gathered Transformation! 35 Sentai!).

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Super Sentai Battle: Dice-O

Gokai Green (Dice-O)

Gokai Green as depicted in Super Sentai Battle: Dice-O.

  • Profile
Don Dogoier/Gokai Green: to be added
Don Dogoier/Gokai Green Gold Mode: to be added

Super Sentai Battle Base

Gokai Green is among the vast pantheon of Rangers which are available in the mobile game Super Sentai Battle Base.

Super Sentai Legend Wars

Kaizoku Sentai Gokaiger in Super Sentai Legacy Wars

Gokaiger as seen in Super Sentai Legend Wars.

Gokai Green appears with his team among all Sentai in the mobile game Super Sentai Legend Wars.


Ranger Keys


His bounty is initially Z=100 but this is eventually raised to Z=1,000. Ep. 5: Judgement Pirates This is then raised even further to Z=5,000. Ep. 15: A Privateer AppearsAnd yet further to 10,000. Ep. 39: Why? We're High School Students And again to 300,000, boosted due to his part in slaying Damaras, which is the same amount as Gai's bounty. Ep. 44: A Lovely Christmas Eve

Behind the scenes


Don's two actors

Don's two actors: Kazuki Shimizu and suit actor Yasuhiro Takeuchi.

Don Dogoier is portrayed by Kazuki Shimizu (清水 一希 Shimizu Kazuki). Prior to the series, Shimizu specifically said he wanted to be TimeGreen but not just because he liked Timeranger; his family was friends to the family of Masahiro Kuranuki, who portrayed Sion (the very first alien Sentai hero and another Green), and he wanted to do it in honor of him. Kazuki Shimizu also appeared as himself in A Day of One Hero, a mockumentary centering around his role as Don.

When Don and Luka switched bodies in Ep. 27: A More Than Usual Gokai Change, Don was portrayed by Mao Ichimichi (市道 真央 Ichimichi Mao).

As Gokai Green, his suit actor is Yasuhiro Takeuchi (竹内 康博 Takeuchi Yasuhiro), whose previous role was Gosei Red in Tensou Sentai Goseiger and later served as suit actor for Blue Buster in Tokumei Sentai Go-Busters.

Dub names

In the Korean dub of Gokaiger entitled Power Rangers Captain Force, which aired in South Korea, Don as with the rest of the first five Gokaigers keeps his name (likely because they are not from Earth and thus don't have normal Japanese names), while his Ranger designation is Captain Green.


  • Unlike the other main Gokaigers, Don is not the first Green who is an alien: he was preceded by Timeranger's Sion.
    • Amazingly, Kazuki Shimizu (Don's actor) is family friends with Masahiro Kuranuki (the actor of Sion), with both coming from the same town.
  • He is the only member of the core 5 Gokaigers not known to have lost a friend or family member. However, as it is known that his home planet was destroyed by Zangyack, it can be assumed that he did lose some friends and family.
  • Don is the only Gokaiger to receive a Legend Shift, although it wasn't a Sentai Hero.

Counterpart notes

Gokai Change notes


See Also

External links

TV Asahi



Green Rangers

Secondary Rangers
Eagle agentDummy Clover KingPrevious ShishiRangerCopy ShishiRangerDaigo's grandsonFlower Ninja Suiren
ZokuGreenCopy TimeGreenFake ShurikengerEvil MagiGreenKurandoAtsushiSoujiro

Power Sets
MidorengerClover KingDenziGreenGreen2Green FlashX1 MaskGreen SaiGreen Eagle
DragonRangerShishiRangerOhGreenGreen RacerGingaGreenGoGreenTimeGreenShurikenger
DekaGreenMagiGreenGo-On GreenShinken GreenGosei GreenGokai GreenGreen Hippopotamus
Kyoryu GreenToQ 4gouMidoNingerZyuoh ElephantChameleon Green
Brave Green Dino