"My archnemesis! I will now demonstrate my ultimate power as my sole inheritor...of the Ono School of Ninpo!"
―First words after being turned into Shurikenki [src]

"My eyes, my eyes! It hurts!"
―Shurikenki's final words before being turned back to normal [src]

"I have obtained a new power to lay you low!"
―First words before being turned into Mahouki [src]

"Behold, my newfound power! Start Up!"
―First words before being turned into GoGoki [src]

"Mom.... I’m sorry-!"
―Final words as GoGoki before being reverted off-screen by Sonoi Kyokatai [src]

"Ono-style Ninpo third form!"
―Minoru Ono's words before his Seijuuki powers was captured by Sonoza [src]

Minoru Ono ( 大野 稔 , Ōno Minoru ) is a recurring enemy of the Donbrothers who has turned into various Hitotsuki .

He first turns into a ninja-themed Hitotsuki called Shurikenki ( 手裏剣鬼 , Shurikenki lit. Shuriken Demon) , possessing a Ninninger Avataro Gear , out of his desire to show off his ninpou. Later on, he turns into Mahouki ( 魔法鬼 , Mahōki , lit. Magical Demon) [1] , possessing a Magiranger Avataro Gear , Mahouking ( 魔法鬼ング , Mahōkingu ) , and GoGoki ( 轟轟鬼 , Gōgōki , lit. Rumbling Demon) , possessing a Boukenger Avataro Gear , out of his now gained desire to defeat Taro Momoi . His particular feelings of desire to beat Taro would once again influence him to spawn another Hitotsuki called Seijuuki. However, before it could mature fully, it was captured by Sononi and Sonoza as a part of a plan to defeat Sonoshi .

He later becomes a insect/king-themed Hitotsuki called Ohsamaki ( 王様鬼 , Ō-Samaki , lit. King Demon) , possessing a King-Ohger Avataro Gear , thanks to the Noto Inspectors . He finally turned into Kikaiki ( 機界鬼 , Kikaiki lit. Machine World Demon) , one of the main antagonists of Avataro Sentai Donbrothers vs. Zenkaiger out of his desire to avenge his ill mother by exposing and killing the Donbrothers hence ending the Don Clan once and for all. [2]