* CelebrityVoiceActor: Hiruma voiced by Atsushi Tamura, member of the [[BokeAndTsukkomiRoutine Manzai duo London Booth No.1 No.2 along with Ryo Tamura]].
* HeyItsThatVoice: Hey, Sena is [[KingdomHearts Sora]] and [[TsubasaReservoirChronicle Syaoran]]! [[SarcasmMode You can tell by the hair]]. To add more brunets into the mix, in the dub he's also [[WesternAnimation/Ben10AlienForce the teenage Ben Tennyson]] and [[CodeGeass Suzaku]].
** Creator/AyaHirano played Mamori before (and during) the time she was [[LightNovel/HaruhiSuzumiya Haruhi]].
** Since when was Anime/{{Inuyasha}} so into baseball and football? And wasn't [[Manga/DetectiveConan Shinichi]] more of a soccer person?

* The NFL sponsored an [[{{Manga/Eyeshield21}} anime about American football in Japan]] -- a ''very successful'' series.
** [[{{Irony}} And yet the English dub for American audiences was canceled because of the deal with NFL Rush falling through, and the fact that the manga barely sells enough copies in America to avoid cancellation.]]
* Yusuke Murata, the artist for the series, managed to win the ''VideoGame/MegaMan'' Robot Master design contest twice. He created both Dust Man from ''VideoGame/MegaMan4'' and Crystal Man from ''VideoGame/MegaMan5''. Incidentally, one of his friends created Star Man, also from '''5''.