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Wiki information Raigor:
Hidenoyama Raigorō was a sumo wrestler from Kesennuma, Miyagi Prefecture, Japan. He was the sport's 9th yokozuna. He was also known as Amatsukaze Kumoemon, Tatsugami Kumoemon and Iwamigata Jōemon.
Inazuma Raigorō was a sumo wrestler from Inashiki, Ibaraki Prefecture, Japan. He was the sport's 7th yokozuna. Inazuma means lightning in Japanese.