* FanNickname:
** While not calling her by her InSeriesNickname "Biri Biri", fans also call Mikoto pikachu-tan (pikachu-chan) or pika-pika-tan.
** Thanks to Mikoto in episode 10 of Railgun, fans have now call Touma's doctor, Dr Gekota! - ~ - (At least it beats calling him Frog Face but it still doesn't beats his title [[spoiler:[[AwesomeMcCoolname Heaven Canceller]]]].)
** Superman is what some fans are calling [[spoiler:Acqua of the Back]].
** Enter ''Tou'''MAN.'''''
** Cue '''The''' ''[[{{Tsundere}} Thundere]]''.
** '''''Pendex''''' for Index's Johann's Pen Mode.
** "Fre nda" for Frenda Seivelun, who had been killed by being sliced in half.
** "Walking Porn" for Oriana Thompson, who is practically MsFanservice incarnate.
** "[=HOThinus=]" for Othinus, when she was revealed to be incredibly attractive and wear a {{Stripperific}} outfit.
** "OTP" for Othinus Touma Pairing.
* NamesToKnowInAnime: The series is chock full of them.
** Creator/YukaIguchi as Index
** Creator/RinaSato as Mikoto Misaka
** Creator/SatoshiHino as Shiage Hamazura
** Creator/AyumiFujimura as Seiri Fukiyose
** Creator/MinakoKotobuki as Mitsuko Kongou
** Creator/HarukaTomatsu as Kinuho Wannai
** Creator/MamikoNoto as Aisa Himegami
** Creator/KanaAsumi as Hyouka Kazakiri
** Creator/AkiToyosaki as Kazari Uiharu
** Creator/KanaeIto as Ruiko Saten
** Creator/KanaHanazawa as Erii Haruue
** Creator/MisatoFukuen as Maika Tsuchimikado
** Creator/KanaUeda as Mii Konori
** YukoKaida as Aiho Yomikawa
** YumiTouma as Kikyou Yoshikawa
** Creator/TatsuhisaSuzuki as Ao Amai
** Creator/SayakaOhara as Therestina Kihara Lifeline
** Creator/KeijiFujiwara as Amata Kihara
** Creator/ToshihikoSeki as Aleister Crowley
** Creator/DaisukeKishio as Mitsuki Unabara
** Creator/AmiKoshimizu as Shizuri Mugino
** Creator/KisshoTaniyama as Stiyl Magnus
** Creator/ShizukaIto as Kaori Kanzaki
** Creator/AkenoWatanabe as Sherry Cromwell
** Creator/AyakoKawasumi as Laura Stuart
** Creator/TomokazuSugita as Aureolus Izzard
** Creator/ReiSakuma as Lidvia Lorenzetti
** Creator/NorioWakamoto as Biagio Busoni
** Creator/RieKugimiya as Agnese Sanctis
** Creator/MariyaIse as Lucia
** Creator/AkikoHiramatsu as Vento of the Front
** Creator/AiKayano as Itsuwa
** Creator/RyokaYuzuki as Oriana Thompson
** Creator/JojiNakata as Oomi Yamisaka
** Creator/KenjiNomura as Touya Kamijou
** Creator/KikukoInoue as Shiina Kamijou
** Creator/EmiShinohara as Misuzu Misaka
* The English dub has these:
** Creator/MicahSolusod as Touma Kamijou
** Creator/MonicaRial as Index
** Creator/BrittneyKarbowski as Mikoto Misaka, Misaka 10032, and [[FunSize Last Order]]
** Creator/AlexisTipton as Hyouka Kazakiri
** Creator/JasonLiebrecht as Aureolus Izzard
** Creator/ChristopherSabat as Touya Kamijou
** Creator/CaitlinGlass as Kikyo Yoshikawa
** Creator/RobertMcCollum as Stiyl Magnus
** Creator/StephanieYoung as Sherry Cromwell
*** For the two [[Creator/AtsushiAbe male]] [[Creator/NobuhikoOkamoto leads]], this was the [[StarMakingRole anime]] that ''made'' them NamesToKnowInAnime.
* RealitySubtext: In the Index-tan special, someone who used a voice changer asked Kaori Kanzaki about her age, her Stripperific outfit, ''and'' her [[Creator/ShizukaIto voice actress']] LadyDrunk antics in the launch of the anime.
* RelationshipVoiceActor:
** Many voices from ShugoChara show up in this series: [[Creator/KanaeIto Saten as Amu]], [[Creator/AkiToyosaki Uiharu as Suu]], [[Creator/AtsushiAbe Touma as Kuukai]], [[Creator/KanaAsumi Hyouka as Ran]], Komoe as Pepe, [[Creator/NobuhikoOkamoto Accelerator as Musashi]], and [[Creator/RieKugimiya Agnese as Yua]].
** [[Creator/RieKugimiya Agnese]] and [[Creator/AyakoKawasumi Laura Stuart]] have appeared together many times before: [[CandidateForGoddess Ikhny and Kazuhi]], [[LightNovel/BludgeoningAngelDokuroChan Sabato and Shizuki]], [[ShakuganNoShana Shana and Kazumi]], [[LightNovel/ZeroNoTsukaima Louise and Henrietta]], [[{{Potemayo}} Nene and Mikan]], [[KyouranKazokuNikki Mujaki and Eru]], [[Manga/HayateTheCombatButler Nagi and Athena]], [[LadiesVersusButlers Kaoru and Tomomi]], [[LightNovel/OokamiSan Mimi and Otsuu]], and [[HidanNoAria Aria and Jeanne]].
** ''Manga/MaidSama'' and this series have a ''ton'' of overlapping voicing: [[Creator/AyumiFujimura Seiri as Misaki]], [[Creator/NobuhikoOkamoto Accelerator as Usui]], [[Creator/AtsushiAbe Touma as Hinata]], [[Creator/KanaHanazawa Sakura as Erii]], [[Creator/AyakoKawasumi Laura as Minako]], [[Creator/AkiToyosaki Uiharu as Satsuki]], [[Creator/KanaAsumi Hyouka as Honoka]], [[Creator/MariyaIse Lucia as Erika]], [[Creator/KanaUeda Mii as Subaru]], and [[Creator/HarumiSakurai Awaki as Sayu]].
** RoKyuBu has ''nearly'' all voice actors from ''Index'' and ''Railgun''.
** Half of the Japanese female voice cast (and some of the male cast, too) worked together in ''QueensBlade''.
** Both the Japanese and English casts share several actors with ''LightNovel/OokamiSan''.
** [[Creator/BrittneyKarbowski Mikoto]] and [[Creator/MonicaRial Index]]'s dub actors were Black Star and Tsubaki in ''Manga/SoulEater''. [[MicahSolusod Toma's VA]] also played Soul himself.
** As it is also produced by the same studio, ''Manga/{{Bakuman}}'' also features a lot of voice actors from the Toaru series.
* StarMakingRole: This series did this for Creator/AtsushiAbe as Touma and Creator/NobuhikoOkamoto as Accelerator. ''Manga/ACertainScientificRailgun'' made Creator/SatomiArai (Kuroko) into a star also. Earning them Best Rookie actor (2010, 2009) and Best Supporting Actress respectively.
** And Creator/AiKayano as well. Guess her character's PopularityPower helps...
* TheWikiRule: [[http://toarumajutsunoindex.wikia.com/wiki/Toaru_Majutsu_no_Index_Wiki Toaru Majutsu no Index Wiki]]
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