* HeyItsThatVoice: AkiraIshida plays Shinkouhyou
** Grant James from Creator/{{Funimation}} plays the elder
** The Mexican Spanish dub is quite a reunion from many veteran and newcoming (at the time) voice actors in a single place:
*** Taikobou is [[Manga/CardcaptorSakura Touya Kinomoto]], [[TeenageMutantNinjaTurtles2003 Leonardo]] and [[Manga/AhMyGoddess Keiichi Morisato]].
*** Shinkouhyou is [[Manga/{{Naruto}} Gaara of the Desert]] who is also voiced in Japanese by AkiraIshida.
*** Koutenko is [[Manga/{{Naruto}} Naruto Uzumaki]] and [[DigimonAdventure Mimi Tachikawa]].
*** Dakki is [[Manga/RanmaOneHalf Kasumi Tendo]] and [[Anime/CorrectorYui Haruna Kisaragi/Corrector Haruna]].
*** Kou Hiko is [[Anime/SuperDimensionFortressMacross Roy Fokker]]
*** Kou Tenka is [[Anime/{{Hamtaro}} Jingle]] and [[Film/TheDarkKnightSaga Batman]].
*** Lord Kisho is [[Manga/DragonBall Frieza]] and [[VideoGame/{{Halo3}} Sgt. Johnson]].
*** Nataku is [[SaintSeiya Andromeda Shun]], [[Anime/TheVisionOfEscaflowne Van Fanel]] and [[MobileSuitGundamWing Chang Wufei]].
*** Raishinshi is [[WesternAnimation/{{Futurama}} Phillip Fry]] and [[{{Daria}} Michael Jordan "Mac" McKenzie]].
*** Kibi is [[WesternAnimation/TheSimpsons Bart Simpson's second voice]]
*** Kijin is [[Manga/DragonBall Pan]], [[Anime/NeonGenesisEvangelion Rei Ayanami's first voice]] and [[Manga/AhMyGoddess Belldandy]].
*** Bunchuu is [[Anime/SailorMoon Artemis]], [[BlueSeed Murakumo]] and [[Series/{{House}} Dr. Gregory House]].
*** Ki Hakuyūkō is [[SaintSeiya Leo Aioria]] and [[VideoGame/SonicUnleashed Sonic]] [[WreckItRalph The Hedgehog]].
*** Youzen is [[LooneyTunes Porky Pig]] and [[Anime/NeonGenesisEvangelion Kaworu Nagisa's first voice]].
*** Genshi Tenson is [[Anime/CowboyBebop Jet Black]].
* ThrowItIn - At least one character was "imported" from an unrelated video game that the mangaka was working on because he liked the design so much.
* WhatCouldHaveBeen - An {{omake}} chapter showed a version of Houshin Engi with completely different designs and characterizations--Taikoubou as a ''female'' {{Cloudcuckoolander}} whose inept bumbling end up causing the atrocities attributed to Dakki, for example.