The main cast of ''VisualNovel/RoboticsNotes''. ''[[Administrivia/YouHaveBeenWarned Be warned]] of SPOILERS''.

[[foldercontrol]]

[[folder:Robotics Club Members]]

!Kaito Yashio
http://static.tvtropes.org/pmwiki/pub/images/roboticsnotes_1227.jpg
-->'''Voiced by:''' RyoheiKimura (Japanese), Clifford Chapin (English)

Our main character. A lazy member of the Robot Club, he is Akiho's childhood friend who is always seen playing Kill Ballad game which he ranks fifth in the world. His role in the club is Tanegamachine-3's operator and later, the pilot of Gunvarell.
----
* CatchPhrase: "...but you'll have to beat me in ''Kill Ballad''."
* CursedWithAwesome: He also has "''Elephant Mouse Syndrome''". Unlike Akiho, he gets to perceive things in BulletTime.
** SelfHarm: Can do so to forcefully activate his "[[CriticalStatusBuff ''Elephant Mouse Syndrome.'']]"
* DeadpanSnarker: Constantly making quips about Akiho's ambitions as well the quirks of Frau.
** StepfordSnarker: By the second half of the series, he's witnessed some traumatizing events such as [[spoiler: Misaki's death]], yet still covers it up with sarcasm. Akiho calls him out on it.
* DeclarationOfProtection: Swore to look after Akiho.
* HiddenHeartOfGold: Kai acts aloof in front of his friends, but behind the scenes he goes [[AFriendInNeed out of his way to keep Aki happy.]]
* IKnowMortalKombat: His robot-controlling and later, mecha-piloting skill. {{Justified}}, since the controller is specifically made to resemble the ''Kill Ballad'' console.
* LazyBum: One of his reasons for joining the Robotics Club is so he can freely play ''Kill Ballad'' in the clubroom.
* NotSoStoic: He finally shows an emotional outburst to Aki in Episode 19 in order to get her out of her HeroicBSOD. Aki even notes that he's not acting like his usual self.
* [[spoiler: [[OnlyICanKillHim Only I Can Kill Kimijima]]]]
* PlatonicLifePartners: With Akiho
** [[spoiler: Until their RelationshipUpgrade in Episode 21 when they confess to each other.]]
* RedHeadedHero
* [[spoiler: RetiredBadass: At the end of the series, he uninstalls ''Kill Ballad''.]]
* SarcasticDevotee: Before Subaru took the role, he was the one who primarily shot down Akiho's ideas. Nevertheless he always does his best to help her no matter what suffering.
* SavvyGuyEnergeticGirl: With Akiho, again.
** Subverted during Episode 18 when even ''he goes genki''.
-->'''Akiho''': ''As swift as the wind and as spirited as the storm seas! GUNVARREL!!! Ka-ching!!! XD''
-->''(camera pans to everyone else who has the same expression)''
* SeriousBusiness: ''Kill Ballad''
* SupportingProtagonist: He's the main character but primarily focused on helping Akiho with her ambitions and surpassing her sister.
* ThisLooksLikeAJobForAquaman: Is the best person to operate the robots since they programmed the controller to be like a ''Kill Ballad'' game pad.
** [[spoiler: Later, to stop robots rampaging in Tokyo, ''someone'' has to beat an [[AbsurdlyHighStakesGame extremely difficult round of Kill Ballad.]]]]
* TrademarkFavoriteFood: Eats "Space Candy" when he's ready to get serious.

!Akiho Senomiya
http://static.tvtropes.org/pmwiki/pub/images/akiho_4287.jpg
-->'''Voiced by:''' Creator/YoshinoNanjo (Japanese), Creator/LindsaySeidel (English)

The President of Tanegashima High's Robot Club which her sister, Misa, founded. Very energetic and optimistic, Akiho's goal is to finish Gunpro-1 project, a project to build a real-life HumongousMecha the club started eight years ago.
----
* ACupAngst: Implied to be the reason she hates when Mitchie calls her "Little".
* AlwaysSomeoneBetter: A gifted roboticist, but firmly believes her skills pale in comparison to her older sister's.
* BraidsOfAction
* CallingYourAttacks: Loves to do so while watching robots fight, LampShaded by Kaito.
* CloudCuckoolander
* {{Determinator}}
* {{Expy}}: Considered to be the [[SteinsGate Okabe]] analogue in the series with her constant enthusiasm, only with robots instead of time machines.
* {{Fangirl}}: Of robots and mecha. If it wasn't obvious.
* FistPump
* GenkiGirl: Akiho is very energetic and bold, always trying to recruit people in the club. Given the fact that the club has only two members, she isn't very successful.
* GeniusDitz: Prone to do silly things she might be, but Akiho is a good mechanic.
* HairStyleInertia
* HeroicBSOD: Suffers a minor one in Episode 17 when [[spoiler:the Robotics Club is disbanded]], and a major one in Episode 19 when [[spoiler:Misaki destroys all of the robots at the Expo, including Gunpro 2.]]
* HonorBeforeReason: Is '''hellbent''' on constructing Gunvarrel even though the task is simply impossible with Robotics Club's resources.
* HotBlooded: She loves imitating the hot-blooded SuperRobot pilots of her favourite anime - so much that her catchphrase is the attack name of the mecha from the ShowWithinAShow.
--> ''"Gunvarrel Ankh STRIKER!"''
* HumanHummingBird
* HumbleGoal: Wants to finish constructing the Gunvarrel robot her sister started.
* IllGirl: She suffers from ''"Elephant Mouse Syndrome"'' which makes her perceive a few seconds over the course of 5 minutes, leaving her in a comatose state if she overexerts herself. This condition was caused by some kind of accident nine years before the main story starts.
* JusticeWillPrevail
* TheLeader: A combination of charisma and determination make her the ideal leader of the club
* LettingHerHairDown: Episode 18.
* PlatonicLifePartners: With Kaito
** [[spoiler: Until their RelationshipUpgrade in Episode 21 when they confess to each other.]]
* PluckyGirl:
-->''"My only virtue is that I'm stupidly positive!"''
* PurelyAestheticGlasses: When she puts her glasses on, expect a ShoutOut.
* RedOniBlueOni: The red to ''everyone else's'' blue.
* TheScrooge: Aki can be quite stingy with money. Later, when she learns about the monopole, the first thing Aki wants to do is sell it for money to buy more robot parts.
* TomboyishPonytail
* [[spoiler: VictoriousChildhoodFriend]]
* WrenchWench

!Subaru Hidaka
http://static.tvtropes.org/pmwiki/pub/images/subarurobot_4653.jpg
-->'''Voiced by:''' YoshimasaHosoya (Japanese), Jarrod Greene (English)

A second-year student in the same school as Kaito and Akiho. A brilliant roboticist, Subaru's skills allowed him to win the Robo-One championship, but did so under the disguise of his "Mr. Pleiades" persona so his father would not be upset with him. Kaito later [[BlackMail blackmails]] him to join the Robot Club.
----
* AbusiveParents: His dad will get rough with him if he shows signs of going down any career path besides taking over the family fishing business.
* {{Bookworm}}
* TheComicallySerious
* ConflictingLoyalty: Wants to be loyal to his father, but still remains in the Robotics Club to [[TrueCompanions help his friends.]]
* CoolMask: As Mr. Pleiades.
* {{Foil}}: To Akiho. Both are passionate about robots, but while Akiho is [[WideEyedIdealist idealistic]], HotBlooded and [[GenkiGirl peppy]], Subaru is [[TheSpock realistic]], [[TheStoic calm]] and [[SourSupporter sour]].
* IncomingHam: His tilt-glasses schtick.
* JackOfAllStats: While not as skilled an operator as [[AcePilot Kaito]], not as brilliant a programmer as [[TheCracker Frau]] and not as ambitious a roboticist like [[WrenchWench Akiho]], Subaru is no slouch in any category.
* {{Keeping Secrets Sucks}}: This [[LargeHam ham]] is almost too large for its packaging!
* {{Kuudere}}: Type 1
* LargeHam: as Mr. Pleiades, just look at his [[http://25.media.tumblr.com/tumblr_md7fbv5WiB1rjheeio1_500.png outfit!]]
* LuminescentBlush: He's actually quite shy about physical contact with girls.
* MeaningfulName: Invoked, Kaito points out that "Subaru" is the Japanese way of saying "Pleiades" the star cluster.
* {{Megane}}
* OnlySaneMan
* SempaiKohai: Since he's actually younger than both Akiho and Kaito (who are in their third year), he [[InsistentTerminology always refers to them with -sempai suffix, even when told not to]].
* SmartPeopleWearGlasses / StoicSpectacles
* SourSupporter
* SpeechImpediment: When he's nervous, [[NotSoStoic he can't talk straight.]]

!Airi/Geji-nee (Japanese for "Sister Centipede")
http://static.tvtropes.org/pmwiki/pub/images/airirobotics_3027.jpg
-->'''Voiced by:''' RieKugimiya (Japanese), Apphia Yu (English)

A dual program within the IRUO app, acting as the AI interface. She dictates everything about the Kimijima Reports, [[MsExposition from its instructions to the actual details]], even though she really doesn't know what they actually mean. Geji-nee is the main AI, and she's the one who makes the actions. Airi is actually [[spoiler:a LittlestCancerPatient given extra time to live her life by Kou Kimijima]].
----
* ArtificialHuman: She's an AI that can only be seen by using the iPod-like devices that act as phones and the consoles everyone plays Kill Ballad on.
** Artificial? Yes. Human? [[spoiler:Originally. Partially. ItsALongStory.]]
* TheCutie: Standard Airi
* DeadpanSnarker: Geji-nee, oh so very much.
* [[spoiler: GrewBeyondTheirProgramming: Geji-nee turns against Kimijima, unable to bring herself to harm Kaito and the others, though she believes this to be a bug in her programming.]]
* HairAntennae
* [[spoiler:LittlestCancerPatient: Airi is actually a frail girl who was given an extended life within IRUO from the original author. Unfortunately, she had only another year left to live.]]
* MsExposition
* MundaneLuxury: More than anything else, Airi wants to see snow.
* MysteriousWaif: Complete with white hair.
* RapunzelHair
* RedOniBlueOni: Respectively Airi and Geji-nee
* SpellMyNameWithAnS: The dub refers to her as Ge''z''i.
* SplitPersonality: Kaito can manually invoke this by tapping her forehead. Geji-nee is more straightforward with her explanations than the playful Standard Airi.
* [[spoiler: SuddenlyAlwaysKnewThat: Real Airi somehow has access to Geji-nee and Standard Airi's knowledge of Kimijima's inventions despite not understanding it herself.]]
* [[spoiler: WetwareBody: Real Airi is later possessed by Kimijima's cyber ghost.]]
* [[spoiler: YourDaysAreNumbered: Real Airi was [[SoapOperaDisease dying of disease]] before Kimijima made her a HumanPopsicle.]]
** [[spoiler: Standard Airi similarly knows she will be deleted when the IRUO network she lives in undergoes maintenance on Christmas Eve.]]

!Junna Daitoku
http://static.tvtropes.org/pmwiki/pub/images/junna_7940.jpg
-->'''Voiced by:''' Creator/SoraTokui (Japanese), MonicaRial (English)

A member of the Robot Club who practices Karate. Junna was initially reluctant to join due to being afraid of robots, though was encouraged to join by Kaito. Her fear was caused when a robot nearly crushed her as a child. She is also the granddaughter of Fujita.
----
* BoyishShortHair
* CryCute
* CuteClumsyGirl
* TheDitz
* FaceYourFears: Is determined to overcome her fear of robots.
* IKnowKarate
* ImagineSpot: Prone to getting ones about... [[CovertPervert questionable topics.]]
* MyGodWhatHaveIDone: [[spoiler: A strong wind topples the ''Gun Pro-2'' onto Subaru while she was operating it. He is badly injured and [[HeroicBSOD Junna blames herself.]]]]
* PurityPersonified: Junna is easily flustered by Frau's dirty talk and tends to panic about female decency.
** CovertPervert: That said she was still the one to think of the photoshoot as a African safari when she heard "Cheaters"
* ShrinkingViolet
* SingleIssuePsychology: Had a traumatic experience involving a robot as a child and as a result is terrified of them.

!Kona Furugoori (nickname: Frau Kojirou ([[GratuitousGerman "Mrs. Kojirou" in German]]))
http://static.tvtropes.org/pmwiki/pub/images/frau_1580.png
-->'''Voiced by:''' Creator/KaoriNazuka (Japanese), LeahClark (English)

Local shut-in and the socially inept creator of ''Kill Ballad'', the wildly popular video game adaptation of the ''Gunvarrel'' anime. A brilliant programmer, Frau is the daughter of the Director of Gunvarrel, who was accused of murdering the entire Gunvarrel staff [[spoiler:although the details of which are even more complicated]]. Her mother disappeared shortly after and Frau has been searching for her since.
----
* AmbiguouslyBi: Kisses Kai at one point and is constantly gushing over Airi and Jun.
* AnimeHair: Her pigtails defy gravity when they're tied up.
* CatchPhrase: *''Something not even remotely sexual happens''*
-->"''Pant pant'' What eroge is this?!"
* ChildProdigy: She is the creator of Kill Ballad.
* EvilLaugh: "Duhuhu..."
* ForgetsToEat: As a result of her obsessive work habits. This is a recurring problem for her that forces Kaito to visit to feed her regularly.
* FreudianExcuse: Her mother being the accused killer of what was her favorite anime crushed her and led to her {{hikikomori}} status.
* GirlishPigtails
** MegaTwinTails: They're ''bigger than her head.''
* HumanMail: She "[[ItMakesSenseInContext mails]]" (not with the Japanese Postal Service, but Mitsuhiko, but it still counts) herself to her new home, along with all her stuff.
* {{Hikikomori}}
* LeetSpeak: Speaks like she is posting to an {{Imageboard}}.
* LovableSexManiac: Frau's mind is about as clean as a septic tank.
* MissingMom: Frau's main motivation for moving to Tanegashima is to search for her mother. [[spoiler: It is implied in the Visual Novel that her mother is dead.]]
* OtakuSurrogate: Specifically for those into the yaoi and moe genres.
* PlayfulHacker
* ShipperOnDeck: Apparently ships Kaito/Subaru, although this might have more to do with her YaoiFangirl tendencies.
* SlasherSmile: [[LesYay Especially when she's around Jun]].
* SoreLoser: When it comes to Kill-Ballad, if Frau wins, her opponent was playing fair. If she loses, they were cheating.
* SpeechImpediment: Has a heavy stammer that comes out when she's riled up.
* YaoiFangirl: She claims to have at least a terabyte of pornographic BL images, and isn't afraid to proposition Subaru for more.
* [[YouGottaHaveBlueHair You Gotta Have Blonde Hair]]: She is naturally a brunette but dyes her hair blonde.

[[/folder]]

[[folder:Other Characters]]

!Misaki Senomiya
http://static.tvtropes.org/pmwiki/pub/images/Robotics_Notes_-_03_-_Large_16_8508.jpg
-> '''Voiced By''': Creator/KikukoInoue (Japanese), Creator/CaitlinGlass (English)

The previous leader of the Robotics Club, Misaki now works for EXOSKELETON as the company's spokeswoman and investigates the Kimijima Reports behind the scenes. Once an idealistic and energetic girl, Misaki has grown aloof and detached, never even keeping in touch with her sister, Akiho. [[spoiler: Misaki murdered Kou Kimijima after learning of his genocidal plan. She would later be possessed by Kimijima's cybernetic ghost, becoming a pawn in the scheme she tried so desperately to prevent.]]
----
* TheAce: While in high school, Misaki was an extremely skilled roboticist, a talented engineer, won the Robo-One tournament, and regularly defeated a young Kaito at video games.
* AlwaysSomeoneBetter: Her CatchPhrase. [[spoiler:Actually it's Kimijima's]]
* BrainyBrunette
* BreakTheCutie: [[spoiler:Kimijima Kou's VirtualGhost continued to haunt her even after his death and threatened her to expose her murder of him, which eventually drove her into this.]]
* CoolBigSis -> [[AloofBigBrother Aloof Older Sister]]
* [[spoiler: CannotSelfTerminate]]
* [[spoiler: FightingFromTheInside]]
* GenkiGirl: Comparable to that of Akiho when she was younger.
* [[spoiler: MeatPuppet: Kimijima's way of punishing her for stopping his plans.]]
* [[spoiler: PoweredArmor: Gets a cybernetic suit that increases her [[InASingleBound agility and strength]].]]
* RetiredBadass: Well, from Robo-One tournaments, anyways.
* YamatoNadeshiko: When she was in high school.

!Mizuki Irei
http://static.tvtropes.org/pmwiki/pub/images/irei_4790.jpg
--> '''Voiced By''': Creator/TakakoHonda (Japanese), Creator/LydiaMackay (English)

Irei is the owner of a local convenience store and is a motherly figure to Kaito and Akiho. Mizuki is very knowledgable about Tanegashima and various rumors that circulate the island. Her legs were paralyzed from a motorcycle accident, and, some time later, was given prosthetic robotic legs from Misaki.
----
* [[spoiler: BloodFromTheMouth: Happens when the robotic exoskeleton that helps her walk goes out of control and forcibly straightens her spine up.]]
* CuriosityIsACrapshoot: Warns Kai not to delve into the Kimijima Reports.
* DisabledHottie
* EatThat: Challenges anyone who needs information to buy and eat a ''[[{{Squick}} revolting]]'' cheese/passionfruit-filled, spicy nikuman. Better eat it ''fast''.
* [[spoiler:GoOutWithASmile: She asked Kai to thank Misa for the robotic exoskeleton she gave to her as she fell to her death.]]
* [[spoiler:KilledOffForReal]]
* KnowledgeBroker
* PoweredArmor: The exoskeleton around her legs help her walk now that she's been paralyzed.
* [[spoiler: SecretKeeper: Hid Misaki's murder of Kimijima.]]
* TeamMom

!Tetsuharu Fujita
http://static.tvtropes.org/pmwiki/pub/images/roboticsdoc_6805.jpg
-->'''Voiced By''': Nobuaki Fukuda (Japanese), Creator/RBruceElliott (English)

The grandfather of Junna who runs the local robotics shop. He supplies the Robotics Club (both past and present) with the parts they need. His expertise in creating robots is one of the greatest. He also loves blasting Music/HeavyMetal in his shop.
----
* TheEngineer
* GrumpyOldMan
* InSeriesNickname: [[Film/BackToTheFuture "Doc"]]
* JerkWithAHeartOfGold: He's rough around the edges, but the man loves his granddaughter and looks out for Akiho, too.
* MrViceGuy:
-->'''Doc:''' "Here, I also got you a gyro and other necessary parts. You'll need these if you want to win."
-->'''Akiho''': "Doc... tha-"
-->'''Doc''': "That'll be 15,000 altogether!"
* MyGreatestFailure: His love of robots indirectly lead to Junna nearly being crushed by one and scarring her for life.
* OldMaster

!Nae Tennouji
http://static.tvtropes.org/pmwiki/pub/images/nae_4136.jpg
--> '''Voiced By''': Ayano Yamamoto (Japanese), Creator/BrinaPalencia (English)

You may know her as [[VisualNovel/SteinsGate the daughter of the CRT-TV shop owner]], [[SheIsAllGrownUp but she's now a scout and engineer of JAXA]], the Japanese equivalent to NASA. After an initially shaky agreement, she provides funds to the robotics club and, later on, the temporary usage of a JAXA hanger for the usage and testing the robot.
----
* BadassAdorable: She has some pretty mean close combat moves, which she uses [[spoiler:to take out several armed commandos trying to capture Frau.]]
* {{Expy}}: An energetic ActionGirl who rides her bike everywhere... Looks like [[SteinsGate Suzuha]] rubbed off on her.
* GenkiGirl: Not Aki's level, but she sure likes to shout when she's excited. Complete with FistPump.
* GirlishPigtails
* JapanesePoliteness: Nae is always '''gratuitously''' polite.
* KidnappedByTheCall: Her EstablishingCharacterMoment is abruptly abducting the cast before offering them the chance to work with JAXA.
* PerpetualSmiler
* ReasonableAuthorityFigure
* SheIsAllGrownUp
* SixthRanger: for the Robot Club.

!Mitsuhiko Nagafukada
http://static.tvtropes.org/pmwiki/pub/images/mitsuhiko_1451.jpg
--> '''Voiced By''': Creator/YojiUeda (Japanese), RobertMcCollum (English)

A teacher from the main characters' school and the advisor of the Robotics Club. Mitsuhiko was himself once a member of the Robotics Club alongside Misaki. He's a jolly guy, though he rarely gets any respect from Akiho due to his... lazy habits.
----
* AdultsAreUseless: Averted, but no one seems to think any better of him regardless.
* CoolTeacher
* DivingSave: When Aki falls from a ladder, Mitchie (surprisingly enough) is the one to heroicly break her fall.
* DudeWheresMyRespect: When the chips are down, Mitchie usually comes through. Though, Aki only ever seems to remember the things he's done ''wrong''.
* InSeriesNickname: "Mitchie"
* TheNicknamer: Calls Akiho, "Little Senomiya."
* ShipperOnDeck: Likes to tease Aki and Kai a lot.

!Sumio Nagafukada
http://static.tvtropes.org/pmwiki/pub/images/sumionaga_8272.jpg
--> '''Voiced By''': Tetsuo Kanao (Japanese), David Wald (English)

Mitsuhiko's bulky uncle and the president of Space Ame, the company that makes the ''Space Candy" Kaito is so fond of. Sumio funds the Robotics Club's projects in exchange for publicity and Space Ame's logo is displayed on the club's robots.
----
* EyesAlwaysShut
* FriendToAllLivingThings: Sumio apparently has a thing for parrots.
* GentleGiant: Most of the time, but...
** BerserkButton: When two jerks harass and bully Akiho, he '''manhandles''' them.
* GratuitousEnglish CatchPhrase: "'''IMPACT!!!'''"
* LargeHam
* TheTeamBenefactor
* UnclePennybags: Mitsuhiko's uncle, specifically.

!Toshiyuki Sawada
http://static.tvtropes.org/pmwiki/pub/images/toshiyukisawada_1973.jpg
--> '''Voiced By''': Creator/ShinichiroMiki (Japanese), ChuckHuber (English)

The mysterious CEO of EXOSKELETON, the company that develops Power Suits among other robotic projects, and Misaki's supervisor. [[spoiler: Sawada is also a member of a secret organization that opposes the Committee of 300 despite Sawada being the son of one of the committee.]]
----
* [[spoiler: ArchnemesisDad: Will not rest until he has stopped Project Atom and the Committee of 300, which includes his father.]]
* BadassInANiceSuit
* BrickJoke: It's no wonder he wanted to leave [[spoiler:the Committee of 300]]. They were involved with ChaosHead's premise.
* DangerouslyGenreSavvy: Shoots first, answers questions later.
* [[spoiler: DarkIsNotEvil: He certainly looks and sounds like your typical evil, conniving businessman, but Sawada is actually on Kaito's side.]]
* SkunkStripe
* StabTheScorpion: Looks like he's about to pull the trigger on Kai and Aki, he actually shoots at Misaki.

!Kou Kimijima
->Voiced by: Creator/ToshiyukiMorikawa (Japanese), Creator/EricVale (English)

The author of the Kimijima Reports, who died several years ago.

[[spoiler:It turns out that he works for the Committee of 300 and caused the Anemone-gou incident which was in fact an experiment that would have killed all the test subjects; This was stopped by Misaki who killed him. However before his death he uploaded his consciousness to the internet and lives on through Iru-o, and now plans to execute the Committee's plans by inducing a massive solar flare that will kill the majority of the population of Earth. He uses the Kimijima Reports to manipulate people, and he has Geji-nee and Misaki (who was brainwashed by him) do his bidding in the the virtual and real worlds respectively. ]]
----
* [[spoiler:BlondGuysAreEvil]]
* [[spoiler:BrainUploading]]
* [[spoiler:CyberneticsEatYourSoul: Airi mentioned that he wasn't always obsessed with the experiment and did want to help her, but he lost this when he uploaded to the net and became completely obsessed with the experiment.]]
* [[spoiler:GracefulLoser: When faced with a digital missile to the face, he starts out saying that there will be more of him eventually. Kai just tells him that even so, those who fight back will still win. He accepts this and goes out with a smile.]]
* [[spoiler:PetTheDog: His short time with Airi may or may not be this. The flashback scene at one episode as well as Airi's words in episode 21 implied that his treatment on her was genuine, but his words in the previous episode also implied that she was merely a test subject for his consciousness-uploading experiment.]]
* [[spoiler:EvilAllAlong]]
* [[spoiler:NonActionBigBad]]
* [[spoiler:OnlyMostlyDead: Was killed by Misaki. However, he uploaded his conscious into the net before this happened.]]
* WalkingSpoiler
[[/folder]]
----