|This article is about a/an villain in GoGo Sentai Boukenger.|
|Season:||GoGo Sentai Boukenger|
|First Appearance:||Task 3: The Champion's Blades|
|Last Appearance:||Kaizoku Sentai Gokaiger vs. Uchuu Keiji Gavan: The Movie|
|Number of Episode|
Full list of appearances
Gekkou is the villian in GoGo Sentai Boukenger
Gekkou of Illusions (幻のゲッコウ, Maboroshi no Gekkō): The wise owl-like leader of Dark Shadow, he was originally the head of the Society of Shadow until he sacrificed himself to stop the Demon Bird (魔鳥, Machō), which appeared in the Hermit's Gorge centuries, bringing cataclysmic storm clouds in its wake. It was sealed by Gekkou in exchange for his own body, fusing himself into the monster and sealing its power and soul in the Demon Bird's Demon Jewel, trapping himself in the monster's weakened body. He has the ability to create and enlarge Tsukumogami with sutras. He can also speak through the sutras as if they were hand radios.
In Task 44, Yaiba of Darkness betrayed Dark Shadow and broke the seal of the Demon Bird, allowing the demon to takeover Gekkou's body, not even DaiVoyager was able to withstand its power, but when Eiji Takaoka and Natsuki Mamiya restored the seal over the orb, the Demon Bird was weakened and defeated by the Adventure Double Screw. A gravely injured Gekkou barely survived the battle and swears revenge against Yaiba for betraying him, leaving Shizuka to carry out his wishes. In Task 48, seeing the havoc caused by Arch Priest Gajah, Gekkou decides to leave the country for a while, helping Souta Mogami in discovering his own treasure on the way out.
He was among villains captured within the Space Prison in Makuu Space in Kaizoku Sentai Gokaiger vs. Uchuu Keiji Gavan: The Movie and released by the pirate Sentai as they caused a big ruckus within. He and Shizuka are no longer villainous, it can be presumed.
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