* FauxSymbolism: Apparently, the Fighters represent birth and creation, whereas the Greeed represent death and destruction. Even Kougami himself said so.
* FridgeBrilliance: "Ikki Tousen" literally means "The sole warrior with the strength of one thousand". And the subtitle is "Medals of Ikki Tousen", though the Medals are used by OOO herself. But either way, the title makes more sense than you think, as OOO possesses more power than any of the Fighters. In other words, OOO is a literal Ikki Tousen.
* HarsherInHindsight: "Gameru-chan is so sweet to me. He tries so hard to make me happy. Some days I really doubt if he has desires of his own. I guess that's what makes me so sure he'll never betray me."
* HilariousInHindsight: The Shark Yummy was one of the first Greeed to be produced in the first chapter. In episode nine, the [[IncrediblyLamePun Same Yummies]] are introduced.
* NightmareFuel: The first part of chapter one shows exactly why the [[SoundtrackDissonance Happy Birthday]] bit was mainly censored.
* {{Squick}}: As Hakufu tried to out last Gamuru without the armor, she gets her hand stuck in his trunk, and it winds up getting covered in... fluids.

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