| Kaosu Iwanami | |
 | |
| Name | |
|---|---|
| Kanji Name | 岩浪 混沌 |
| Kana Name | いわなみ かおす |
| First Appearance | |
| Anime | None |
| Manga | The Yokozuna's Cross-Discipline Match |
| Information | |
| Origin | Japan |
| Age | Unknown |
| Hair Color | White |
| Height | 181 cm (5'11") |
| Weight | 102 kg (225 lbs) |
| Fighting Style | Mixed Martial Arts |
| Relations | Unknown |
Kaosu Iwanami (岩浪 混沌, Iwanami Kaosu), romanized as Chaos Iwanami in the English Fan-Translation, is one of the mixed martial artist chosen by Mitsunari Tokugawa to fight against the sumo champions in the Underground Arena.
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Kaosu Iwanami is a strong mixed martial artist who is undefeated in Japan.