* FanNickname: Tako-Musume, for Tanabe Kozue (see ThereIsAnother).
* HeyItsThatVoice --
** In Japanese...
*** [[Creator/RieTanaka Chizuru]] is [[GundamSeed Lacus]], [[VideoGame/{{Neptunia}} Neptune]] and [[Manga/AzumangaDaioh Koyomi]]
*** [[Creator/AyumiFujimura Eiko]] is [[Manga/MaidSama Misaki]] and [[Anime/PantyAndStockingWithGarterbelt Kneesocks]], not to mention [[TegamiBachi Niche]]
*** [[Creator/KanaeIto Sanae]] is [[ShugoChara Amu]] and [[Manga/ACertainScientificRailgun Saten]]
*** [[Creator/YuuichiNakamura Goro]] is [[ShugoChara Ikuto]], [[Manga/FairyTail Gray]] and [[VisualNovel/{{Clannad}} Tomoya]]
*** [[Creator/HitomiNabatame Cindy]] is [[{{Ikkitousen}} Kanu]] and [[Manga/{{Bleach}} Nanao]]
*** [[Creator/AyakoKawasumi Ayumi]] is [[VisualNovel/FateStayNight Saber]] and [[ToHeart Akari]].
*** While a small part, the little girl in ep 9.1 is [[BunnyDrop Rin]]
** In the English dub...
*** [[Creator/ChristineMarieCabanos Ika]] is [[Manga/KOn Azunyan!]] And [[Anime/PuellaMagiMadokaMagica Madoka!]] And [[VideoGame/SkullGirls Filia!]]
*** [[Creator/CristinaValenzuela Nagisa]] is [[LightNovel/ZeroNoTsukaima Louise]], [[Manga/KOn Mio]], and [[Manga/SailorMoon Sailor Mars]].
*** [[Creator/XantheHuynh Sanae]] is [[Manga/KOn Ui]] and [[MagicalGirlLyricalNanoha Suzuka]].
*** [[Creator/ShelbyLindley Chizuru]] is [[Manga/KOn Tsumugi]] and [[MagicalGirlLyricalNanoha Shamal]].
*** [[Creator/AmandaCelineMiller Takeru]] is [[VideoGame/FireEmblemAwakening Sully and Cherche]], and [[Manga/SailorMoon Sailor Jupiter]].
*** [[Creator/SarahWilliams Ayumi]] is [[Anime/PuellaMagiMadokaMagica Sayaka Miki]], [[VideoGame/{{Neptunia}} Uni]] and [[VideoGame/LeagueOfLegends Jinx]]
* NamesTheSame: Cindy's last name is [[ScaryMovie Campbell.]]
* SeriesHiatus: Season 2 barely started before the show had to be placed off the air for two weeks, citing "a situation with the studio", to the disappointment of many.
** Worth noting: Two of the TV networks broadcasting the second season started two weeks late and did not go on hiatus at all; the overall effect was that the subsequent episodes premiered on the same day on every station.
* TalkingToHimself: Ika and the Ika cyborg that she battles are voiced by the same seiyu.
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