- It's virtually impossible to list tropes for these characters without spoiling everything or creating Self Fulfilling Spoilers because of the large amount of surprising reveals and murderer/victim exclusive tropes this game contains just like its predecessor.
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Monokuma and Pals
The Headmaster of Hope's Peak Academy
Voiced by: Nobuyo Ōyama (Japanese), Brian Beacock (English)The self-proclaimed "Headmaster of Despair Academy", Back from the Dead. Monokuma is very eager to see society's biggest hopefuls start killing each other, so he hijacks Usami's "field trip", mutilates her into his "little sister" Monomi and imposes the "School Life of Mutual Killing" rules on the island once again. In reality, he is once again the persona of Junko Enoshima, now an AI, who hijacked the observer position in the program from Usami.
- All Crimes Are Equal: Upon hearing that someone might have (but actually didn't) broken the rules by changing clothes in the beach house shower room, Monokuma quickly shows up on the scene toting a machine gun.
- Artificial Intelligence: He's a virtual AI rather than a series of robots like he was in the first game.
- Bears Are Bad News: From the moment he shows up, this bear definitely is bad news.
- Big Bad: He's back to antagonize a group of students again.
- Big Brother Is Watching: Much like in the first game. Only this time, his surveillance extends beyond the security cameras. Makes sense once he reveals that "he" is an AI of Junko who took his form for most of the game and hijacked the "observer" role in the program from Usami.
- Body Backup Drive: Monokuma can't be killed because he has a lot of these. When Monomi tries to finally eliminate him by repeatedly self-destructing, he claims to have 10^60 copies.
- Curb-Stomp Battle: How he usurps Usami's position. He shows up and beats Usami in a fight by breaking Usami's magical staff so she's powerless against him, and then uses a friggin' giant robot with a machine gun to repeatedly shoot Usami into defeat.
- Darker and Edgier: Instead of just psychologically abusing the players of the "Murder Game", this time around Monokuma actively tries to get them to kill each other, all so Junko Enoshima can have more bodies to possess.
- Depraved Bisexual: He aims perverted comments and jokes at boys and girls alike. He's also clearly a sadistic sociopath.
- Dub Name Change: As before, the LP calls him Monobear.
- Evil Laugh: He retains his "Upupu~" laugh.
- Faux Affably Evil: As before. He acts like a humorous "teacher" to the students, but his end goal is still to watch them kill each other.
- Hanging Judge: Otherwise there would be no trials or executions after all.
- Her Code Name Was Mary Sue: In "Wizard of Monomi", Monokuma cons old people out of their money, and kills expies of The Wizard of Oz cast with Monomi's likeness.
- Hypocritical Humor: Claims that younger siblings who are smarter than their older siblings only exist in fiction, as another excuse to put down Monomi. In the previous game Junko described herself as the genius little sister who dominated her older twin.
- Kick the Dog: Like in the first game, he frequently indulges in this, particularly mocking murdered or executed students.
- Killer Teddy Bear: Same old homicidal stuffed toy, motivating the students to kill each other. Now digital!.
- Knight of Cerebus: Minor example since it happens early. At the beginning of Super Dangan Ronpa 2, the students are led to the island because Usami is taking them on a "class trip" to help them develop their friendships, complete with things to collect to make the "game" complete. Then Monokuma shows up and sends everything straight to hell, back to the "murder" format because he thinks Usami's game is boring.
- Leit Motif: Mr. Monokuma's Lesson, yet again.
- Meaningful Name: His name is a combination of "monochrome" (black and white), and "kuma" which means bear in Japanese.
- Morally Ambiguous Doctorate: Parodied in his "Doctor Killgood" persona.
- The Omnipotent: More than ever before, Monokuma knows all, sees all, and is capable of doing almost anything he wants, even bending reality at times. Defying his will is a futile effort.
- Rules Lawyer: Because he took over Usami's observer role in the simulation, he is bound to the same rules as her. This screws him over, as it prevents Nagito's plan to get everyone killed from succeeding.
- Samus Is a Girl: Once again he is controlled by Junko Enoshima, though now in AI form.
- Series Mascot: And the villain of the story.
- Slasher Smile: The left side of his face has his permanent, signature grin.
- Stealth Hi/Bye: As usual, he can appear and disappear at random, spontaneous times.
- Temporary Bulk Change: When Fuyuhiko's late to one of the trials, Monokuma is so angry that he hulks out◊.
- Unreliable Narrator: The Monokuma Archive in Chapter 4 has a shelf that suggests Monokuma was once a rapper and honest salaryman among other things before becoming the bear we know. The legitimacy of the archive is questionable at best.
- Villain-Based Franchise: As per tradition.
The Class Teacher
Voiced by: Takako Sasuga (Japanese), Rebecca Forstadt (English)A stuffed rabbit that claims to be the class teacher of the students. She is responsible for the "class trip" and plans to cultivate hope within the students by encouraging them to befriend each other. Unfortunately, after Monokuma hijacks the island she is mutilated into his "little sister" Monomi and becomes his personal Chew Toy. Though she appears to take the side of the students, she is rather ineffectual at stopping Monokuma from imposing his murderous games upon them all. In reality, Monomi is an AI developed by Chihiro Fujisaki as an observer to the New World Program, making her Chiaki's "sister". In Chapter 5, she attempts to rebel against Monokuma, which only leads to her being executed alongside Chiaki.
- A Day in the Limelight: The "Dangan Island" alternate universe mini-game scenario is an exploration of what would have happened if Usami had beaten Monokuma at the start of the game, preventing him from taking over. In this scenario, Usami is the "one in charge" of your game, and you gather fragments of hope just as she was originally intending for you to do.
- Artificial Intelligence: The original "observer" until Monokuma took over.
- Baby Talk: She has a very childish way of speaking, often including chu sounds in her speech. The Let's Play has her speak with Elmuh Fudd Syndwome.
- Boke and Tsukkomi Routine: Often acts as the tsukkomi to Monokuma's boke (especially in chapter 1, where they play these roles in a literal comedy routine). Of course, since this is Monokuma we're talking about, he ends up putting the abuse on Usami instead of the other way around.
- Break the Cutie: Everything Monokuma puts her through when he takes over.
- Bunnies for Cuteness: She's certainly a very cutesy character, what with her pink and white color scheme, her Magical Girl outfit and her childish manner of speaking.
- Butt Monkey: As soon as Monokuma shows up, Usami gets turned into this, from getting regularly assaulted by him, to getting her name changed against her will and getting a makeover that puts her in a diaper. The students don't seem to have much respect for her, either, tending to think of her as an annoyance at best, and a possible accomplice for Monokuma at worst.
- Catch Phrase: "Love, love!"
- The Chew Toy: Monomi is regularly on the receiving end of absurd, Shout-Out-ridden abuse from Monokuma.
- Covert Pervert: Though not as pronounced as Monokuma she also has flustered/steamy portraits and starts imagining lurid Teacher/Student Romance scenarios when Hajime visits her house, making them Not So Different in that respect.
- Cruel and Unusual Death: Chiaki and the rest of the Usami/Monomi units are in a room with pixelated models, when Monokuma comes in with a tank and starts to shoot at them. Chiaki suddenly spots an exit and she and the Monomis run, followed by Monokuma in a ball-shaped vehicle that crushes all but one of the Monomi units. However, Chiaki and the last Monomi reaches a dead end. With no more escape routes, Monokuma begins dropping Tetris blocks in the area, eventually crushing the last Monomi, and then Chiaki. The blocks then explode due to Monokuma forming three perfect lines.
- Curb-Stomp Battle:
- On the wrong end of this when Monokuma shows up.
- In Dangan Island's opening scene, on the other hand, it's Monokuma who's on the receiving end of it.
- And then she dishes one out on AI Junko. Turns out that staff she owns actually does do something.
- The Dog Bites Back: Starts to attempt this throughout Chapter 5, culminating in her trying to take him out by making herself explode. Multiple times. This only ends up getting her executed alongside Chiaki.
- Eye Scream: When Monokuma curbstomps her.
- First Name Basis: After Chiaki is outed as The Mole, Monomi goes from calling her "Nanami-san" to "Chiaki-chan."
- Leit Motif: Miss Monomi's Practice Lesson.
- Love Freak: All she wants is to foster love, friendship and good manners among the students
- Magical Girl: Complete with a Magical Wand as a Transformation Trinket and the source of her powers... which Monokuma quickly breaks.
- Meaningful Rename: After losing her eye while unsuccessfully trying to drive Monokuma off, he starts mockingly calling her Monomi.
- Misplaced Kindergarten Teacher: The cast is not impressed by her magical-girl-bunny design and "squeezable softness."
- The Mole: According to Monokuma, she was meant to be this for the Future Foundation. Which is true, but that means she's on the students' side, although they think of the Future Foundation as an evil organization for much of the game.
- No Respect Guy: No matter how she may help the students, she is never rewarded with anything but indifference.
- Not Helping Your Case: Her reluctance to explain what's going on or her side of the story to everyone makes them more suspicious of her.
- Not Quite Dead: After the survivors activate the shutdown sequence, she reappears restored to her Usami form and takes on the giant Junko.
- Not So Harmless: She seems pretty useless at first, but then she starts taking out the Monobeasts one by one.
- Off Screen Moment Of Awesome: Her battles with the Monobeasts are apparently epic in scale, but the player never gets to witness them in the main game. Possibly subverted if the "Miracle Girl Monomi" game is canon, but her ability to turn into Usami (and generally using techniques that are only partially displayed when Usami fought AI Junko's giant form) during those Monobeast fights throws that into question.
- Only Friend: Chiaki is the only one of the students who actually likes her.
- OOC Is Serious Business: She's less talkative and more defiant toward Monokuma in the final trial, and you even have to face her in the chapter's P.T.A. sequence.
- Punny Name: Not only did Usami start with the word for rabbit her new name sounds a lot like the French phase "Mon amie", or "my friend", much like how Monokuma's name is also a foreign language pun and the animal that he is based on.
- Red Herring: In-Universe; the students are often suspicious of Monomi's motives, a suspicion that Monokuma is more than happy to exploit. Of course, in the end, it turns out she's exactly as benevolent as she appears to be.
- Righteous Rabbit: The "good" counterpart to Monokuma.
- Rules Lawyer: Insistently reminds Monokuma that he's bound by the same rules she was, particularly when it comes to protecting the lives of students who aren't being executed. This saves Fuyuhiko and Nekomaru's lives when they're badly injured trying to save Pekoyama from her execution, and Akane from Monokuma, respectively.
- Series Mascot: Officially now shares this position with Monokuma.
- Super Mode: In "Magical Miracle Girl Monomi," she can activate this by becoming Usami.
- Taking You with Me: In fashion similar to Chiaotzu, she tries repeatedly to eliminate Monokuma this way, having many spare Monomi units to fall back on. Sadly, Monokuma has magnitudes more, making the attempts pointless.
- Teacher/Student Romance: She will make comments insisting that she doesn't want to cross that line with Hajime, but the fact that she brings up the topic at all is disconcerting.
- Unexplained Recovery: Even after being pumped full of lead by Monokuma, she returns in the next chapter with little explanation besides claiming that she cannot die. It's revealed in Chapter 5 that she has 10 (originally 11) copies of herself in the house. Two more blow up trying to kill Monokuma and the rest are destroyed with Chiaki during her execution. In Chapter 6 this trope comes back in full force, when Usami returns due to the students' determination to find another way and defeats Junko's AI
- Well-Intentioned Extremist: Apparently has the means to get the students off the island, but is instead keeping them there, supposedly to combat the aftereffects of The World's Most Despair-Inducing Incident.
The MonobeastsA collection of 5 animal-themed giant robots used by Monokuma to keep the students in line. After they're introduced, they rip Monomi to shreds and then take up residence in front of the bridges on the central island, blocking the students from crossing them to the other islands until Monomi starts destroying them one by one.
- Animal Mecha: Giant robots shaped like animals, hence the name. Specifically a horse, an eagle, a tiger, a snake and a gorilla (who was a human on the statue they spawned from).
- Broken Bridge: They serve this trope for the bridges to the other islands.
- Epic Flail: One of them has a spiked ball-and-chain for a tail.
- Gatling Good: The flying Monobeast kills Monomi with a pair of giant Gatling guns.
- Humongous Mecha: Giant robots used as enforcers by Monokuma.
- Living Statue: They're initially disguised as the statue in the center of Jabberwock Park, until the statue part breaks away to reveal what they really are (though the gorilla Monobeast is still wearing part of the statue on its head.)
AI Junko Enoshima
Voiced by: Megumi Toyoguchi (Japanese), Amanda Celine Miller and Erin Fitzgerald and Brianne Siddall (English)The true mastermind behind Monokuma, whose identity is revealed in the final chapter of the game. This version of Junko is an AI which was brought into the New World simulation by Izuru Kamukura. Her goal is to download herself into the minds of the "executed" students, which would essentially clone herself. She would then go on to seize the technology from the Future Foundation, with the intent of turning the entire world into copies of herself. However, she is defeated when the surviving students refuse to "graduate" and allow her to possess their classmates, instead choosing to accept their grim pasts and resolving to create their own future. Usami then appears and destroys AI Junko, freeing the world from her influence.
- Artificial Intelligence: How Junko could influence the events of this game after her death in the original.
- Attack of the 50-Foot Whatever: She's absolutely gigantic, to the point that the courtroom's wall is removed in order for there to be enough space for her, and even then you usually can't see much more than her upper body. This is actually discussed when she first shows up:
- Bad Boss: While she may not be their true boss she happily tries to break all five surviving members of the real Junko's Ultimate Despair into a Heroic BSOD and nearly into a Despair Event Horizon. Serious or not, she's not above sexually harassing all of them and her plan was to pull a Grand Theft Me on all the Ultimate Despair members who were killed off in the New World Program with the goal of eventually possessing them all.
- Big Bad: Even death can't stop her.
- Body Backup Drive: Intends to download herself into the bodies of the dead students if the survivors choose to graduate, and fully intends to expand this into cloning herself into the minds of others until the whole world is filled with her identity.
- Break Them by Talking: Oh, HELL YES. She is an undisputed master of this, even in AI form.
- Conspicuous CGI: Her avatar is full 3-D CGI, in a world where every character is drawn 2.5D, while her phone avatar is 2-D.
- The Corrupter/Manipulative Bastard: How she got Izuru on her side, presumably all the other Ultimate Despair members as well. Also how she pretends to be other people.
- Didn't See That Coming: For all her Lampshading of One-Winged Angel tropes, she is completely blindsided by Hajime's own Super Mode.
- Final Boss
- Hair Decorations: As before, Junko is once again wearing her black and white bear hairclips.
- Hijacked by Ganon: A rare mystery game example. She was the Big Bad of the first game, and she's the Big Bad here too.
- Hope Crusher: Crafts a situation where no matter what happens, despair manages to exist in some way, or hope is snuffed out entirely for Hajime and his friends.
- Master of Disguise: Junko is such a skilled manipulator that, given enough information on the subject, she can pretend to be anyone. This is how AI Junko is able to promise that she'll "resurrect" the executed classmates by downloading herself into them and then using the data she has to mimic them perfectly.
- Mood-Swinger: Her entire personality and voice is still changing constantly. She's added a few more personalities to her repertoire since the first game, including Tsundere and a parody of Doraemon, though she also seems to stick to her core personality much more often.
- Oh Crap!: Her reaction to Hajime rebounding from trying to break him, she recognizes him as Izuru(strongly implied Izuru and Hajime have merged) and begins to freak out. She clearly wasn't expecting Hajime to snap out of it, or Izuru to show up in the game at all(she calls him a glitch/computer bug).
- Say My Name: In the final P.T.A., she will sometimes scream "IZURU!" as one of the statements that must be shot down.
- Shout-Out: The sprite for one of her new personalities has her gain Doraemon's facial features, a reference to Monokuma's Japanese voice actress.
- Tsundere: One of her new personalities.
- The Virus: Her goal is to become this, using the simulation to download her personality into all the students "died", then find a way to repeat the process for everyone.
- Villainous Breakdown: When Hajime is saved from despair by Chiaki (who should have disappeared by that point). Notable in that her behavior towards her defeat is not the ecstatic glee of being able to experience death, but a resigned misery at failing twice in a row and realizing that she'd be far too bored to go through with the Monokuma persona a third time.
- Unreliable Expositor: Her recap of Izuru misses several key details, including the fact that the student council's massacre was a prototype to the School Life of Mutual Killing (The way she describes it makes it sound like Izuru went insane) and ignoring the detail that she was the person who outed the cover-up to the Reserve Course as well as the fact that stirred them to begin with. This throws quite a bit of what she says into debate. She also states that everyone knew full well coming into the New World Program about her plan, which clashes with Nagito's behavior in the flashback that takes place just before the games events. If anything it appears that she's trying to make everything look as hopeless as possible in order to goad them into graduating.
- Walking Spoiler: It's almost impossible to mention her without talking about her death at the end of the first game, or spoiling the endgame.
- Wham Line: Saying that Hajime is Izuru Kamukura, who she claims is a second mastermind of this scenario.
- Xanatos Speed Chess: Not only is she unfazed by the Big Damn Heroes moment, she was planning for it all along, turning the Third Option into an absolutely Sadistic Choice for the survivors.
Ultimate Hope (Ultimate Despair)
- All Your Powers Combined: To become Ultimate Hope, he was given multiple talents from those who already possess them.
- Ambiguously Human: Can be debated of how much of his humanity remained after all those operations.
- Apocalypse Maiden: After killing the student council, it was broadcasted to the reserve course students and they all committed suicide, and thus kick starting "The Worst Most Despair Inducing Incident of Mankind".
- The Antichrist: Was turned into this by Junko.
- Badass: One of the biggest badasses, and one of the biggest deconstructions of the trope too.
- Badass in a Nice Suit: He is only seen in Hope's Peak Academy's suit-like blazer style uniform.
- Battle in the Center of the Mind: Has one with Hajime with Chiaki helping (implied to be helping both Izuru and Hajime overcome despair and doubt) him get back on his feet.
- Beware the Quiet Ones: As part of his very bored outlook about everything he doesn't speak that often unless spoken to, and the Ultimate Despair he was the first and so far only person to "Graduate" from a Mutual Killing game as Junko intended.
- Bigger Bad: He's ultimately the one who set all the events of the game in motion, but he doesn't actively participate in it due to being overwritten by his past self in the virtual world. All we see of him in the game proper is in flashbacks.
- Big Bad Ensemble: He and AI Junko Enoshima are the main antagonists, however they are NOT working together.
- Broken Ace: As a deconstruction of The Ace he has always been this, since the process that made him robbed him of any human qualities which naturally lead to his complete lack of any ability to enjoy his superhuman abilities. After Junko got through with him, he got worse.
- Brought Down to Normal: When his memories were suppressed as part of the New World program. Quite permanently, as Hajime's resolve to remain himself essentially deletes Izuru from existence.
- Conditioned to Accept Horror: He's not phased when Nagito shows him his hand replaced with that of Junko's.
- Creepy Monotone: To emphasize how much apathy he has toward everything he has little to no inflection while speaking.
- Dark Is Evil: His color scheme and mindset both go with this. Ironic since, if Hope's Peak Academy always wanted Izuru to look like this, as the Ultimate Hope he should have been a case of Dark Is Not Evil.
- Devoted to You: Mikan states that all members of Ultimate Despair were very devoted to Junko Enoshima. He may have been this at first, but as of now, he holds nothing but hate and the desire for revenge against her.
- Eerie Pale-Skinned Brunette: His skin color appears to be a bit more paler than Hajime's usual tan skin to complement his darker hair color and red eyes, to make him look even more unnatural.
- Enemy Within/Super-Powered Evil Side: Is this to Hajime.
- Evil Sounds Deep: His voice is slightly deeper(along with having a Creepy Monotone) than Hajime's.
- Exotic Eye Designs: He has a target-radar-like design in his eyes.
- Face–Heel Turn: See Fallen Hero.
- Fallen Hero: He was meant to lead on humanity to a brighter future, but after Junko got through with him, he became a Serial Killer and feared as The Dreaded. With his personality, and the way how he views the world and humanity, he's as broken as you can get.
- From Nobody to Nightmare: He used to be an absolutely ordinary "reserve student" before agreeing to the experiment that gave him every talent that entered Hope's Peak which helped drive him into despair.
- Gone Horribly Wrong: Turns out that when reprogramming people utterly, one should make damn sure the resulting person has any degree of common ground with humans in general. Thanks for nothing, Hope's Peak!
- Glowing Eyes of Doom: His eyes have a bit of a glowing tint to them, and in the flashback of Chapter 0(when we're seeing it from Hajime's point of view) his eyes are glowing.
- He Who Must Not Be Seen: For a while, it isn't until during Chapter six that we finally see his identity. Even in the prequel he's been mentioned, but never actually seen by anyone.
- Hidden Agenda Villain: He states towards the end of Chapter 0 that he is going to "use" the Junko AI in the same way she used him. What he means by this, apart from a desire for revenge against Junko, is never explained.
- Intelligence Equals Isolation: This was the cause of his fall to despair, for he was so talented and intelligent that the world became boring to him. It's both justified and invoked in that, not only was he kept away from the rest of the world, but the Ultimate Hope Project completely wiped out any sort of personality to make way for genius, making it nigh impossible for him to connect with other people.
- Jekyll & Hyde: The Hyde to Hajime’s Jekyll.
- Jerkass/Affably Evil: The way how he speaks and acts is a mix of this.
- Kick the Dog: By Chapter 0, we already know how bad Nagito’s self-esteem is, and how he’s usually treated by others, before Izuru departs, when Nagito asks if they’ll ever meet again, Izuru states that there’d be no point. Why? He tells Nagito that he, along with his thoughts and talent, bores him. Ouch.
- Kill Them All: For the most part he killed all of the student council and the only other survivor gets killed off not too soon after.
- Lack of Empathy: By his interactions with Nagito, and his views of the world.
- Living Macguffin: After the operations, he was supposed to become the strongest symbol of hope, then Junko had other plans for him...either way, he was not happy to have been used by Junko or even by Hope's Peak Academy.
- Long-Haired Pretty Boy: His hair reaches to his feet, making it the longest of the entire cast of both games. However, his prettiness makes him more eerie than anything.
- Man Behind the Man: Was responsible for the entire plot of the game.
- Not So Different: He shows a lot of similar traits with Junko Enoshima. The two want the world to be destroyed, constantly bored with everything, infamous members of Ultimate Despair, feared as The Dreaded, serial killers, little to no empathy, Anti Christ, and have an Alternate Identity Amnesia as Hinata Hajime and Ryouko Otonashi respectively (who both end up developing a Jekyll & Hyde situation with their "true" selves).
- The way he views talentless people sounds very much the way how Nagito describes his views on students like the reserve course. Being part of Ultimate Despair and later on developing strong hatred for Junko Enoshima, both view her as their Arch-Enemy is another trait they both share. Also, during trial 4, when Nagito begins to complain about how bored he is of trials and murders, he wastes no time to insult everyone whenever they're being too slow. This behavior nearly matches Izuru's.
- One-Man Army: Took on all of the student council and won, including the eldest of the Ultimate Bodyguard/Octuplets.
- Omnicidal Maniac: Just like Junko and the rest of the Ultimate Despair, since he was a key player in the world's destruction.
- Perpetual Frowner: Even when he does express any emotion, his facial expression will always be frowning.
- Person of Mass Destruction: He is not only the first mutual killing graduate (Meaning he intentionally tried to kill his 15 fellow participants, and for the most part succeeded), but as the Ultimate Hope prior to becoming the Ultimate Despair he has the most destructive potential of Junko's entire group.
- Power Makes Your Hair Grow: Toned down example, judging how quickly it had to grow to end up like this.
- Pragmatic Villainy: Probably the only reason why he doesn't come off as monstrous as Junko, he finds most things very boring and would probably see no point in being sadistic, or going out of his way to get any thrill from most of the crimes he commits. Such as his desire to get revenge for Junko using him, the survivors of the game weren't exactly his target, but he didn't go out of his way to keep them out of harm's way at all, or even help them at all(at least until possibly towards the very end of trial six, and that's a bit of a stretch).
- Rapunzel Hair: From what we see of him, his hair seems to reach down to his feet. Probably because he can't be bothered to actually cut it.
- Red and Black and Evil All Over: His general color scheme, not unlike Celes's from the previous game, and yes he is plenty evil to boot, just look at his body count.
- Red Eyes, Take Warning: After breaking, they even have target signs in them.
- Revenge/It's Personal/Pay Evil unto Evil: Besides wanting the world to be destroyed, his other goal in life is to get back at Junko Enoshima.
- Sealed Evil in a Can/Sealed Badass in a Can/Sealed Inside a Person-Shaped Can: The future foundation sealed Izuru’s personality away during the game.
- Serial Killer: He murdered all of the student council as he was used by Junko to kick start her plan.
- Sharp-Dressed Man: With Hope's Peak academy's school uniform no less.
- The Sociopath: Izuru is shown to have no empathy and helped trigger the apocalypse by murdering several innocent people in cold blood. Justified to an extent since the operations that made him left him lacking any and all traits that weren't talent related.
- Split-Personality Merge: Strongly implied to have done this with Hajime, more supported when Junko recognizes Hajime (when he has white hair and red eyes) as Izuru rather than Hajime. At the end of the game, it seems Hajime has the dominant control over his body once again.
- The Stoic: He's capable of emotion (As his thinly veiled spite towards Junko shows), but his world view has been so dampened he barely reacts to anything.
- Tall Poppy Syndrome: Believes this to be the cancer plaguing the world, speaking from the perspective of one of the "talented".
- Tragic Villain: He's a Fallen Hero who has lost hope in everything. He could've made humanity better, but the world had already become so dull to him that it made it easy for Junko to corrupt him. He was her Unwitting Pawn to help her start everything before even the prequel took place. He also became The Ace when he was Hinata Hajime because he wanted to be recognize as someone special, and not be worthless. Only to throw humanity, and even himself into despair. He's become apathetic to the point that the world he was supposed to give hope to, he rather it just be destroyed completely. He doesn't even have any empathy towards the school he once adored, if anything, he's bitter towards them for using him. Being forced to kill most of the student council had only pushed him further into having no remorse into becoming a Serial Killer. He has given up on himself, a kid who was supposed to have such great success in his life, has barely any trace of humanity left within him. His life hasn't been a very pleasant one, though he did invoked some of it on himself, and most likely without even realizing it.
- Transhuman Treachery: He was surgically augmented to make him a superhuman genius and the Ultimate Hope for mankind, but the procedure also eradicated pretty much everything that made him human. It ultimately resulted in him joining the Ultimate Despair.
- Villainous BSOD: During his Battle in the Center of the Mind he had with Hajime, he begins lamenting and ranting about everything that's happened. Even he has a bit of Self-Deprecation for himself, such as saying he has no talent,that even he has no idea how to beat Junko Enoshima, and that he refuses to do a Heroic Sacrifice because he's aware that no one would even thank him for it. He's been broken to the point where he has truly lost hope for himself completely.
- Walking Spoiler: Literately everything about him, down to the fact that he exists, is a spoiler in regards to the game and DR Zero (where he was set up).
Ultimate DespairA group of Hope's Peak Academy students that fell to despair during their time at the school, and consequently fell prey to Junko's influence, to the point of accepting her Despair-based mindset as their own. The known members consist of Junko Enoshima, the original and true Ultimate Despair (as well as the Ultimate Fashionista/Analysis Girl), her sister Mukuro Ikusaba, the Ultimate Soldier, Izuru Kamukura, the former Ultimate Hope, and all the members of the Island's School Life of Mutual Killing aside from Chiaki Nanami.
Tropes Concerning The Entire Group
- Adult Fear: These kids were supposed to be attending Hope’s Peak Academy so that they could have a bright future, and look what happened to them. None of them were even out of high school when they crossed the Despair Event Horizon, performed a Face–Heel Turn, and kickstarted the end of the world in the name of a crazy teenage girl with a despair fetish.
- Amnesiac Dissonance: It’s easy to forget when you see them as their pre-despair selves, but these are the same kids who end up became human embodiments of despair and who are all driven to destroy the world.
- Arch-Enemy: They're at odds with the Future Foundation.
- Ax-Crazy: Sanity doesn't exactly exist within this group.
- Body Horror: Most if not all of them have since hacked up Junko Enoshima’s corpse to replace their body parts with hers to try and continue her existence in some way.
- Brainwashed and Crazy: Junko's influence is considered by Makoto to be a form of brainwashing which leaves their subsequent insanity as this.
- Corrupt the Cutie/The Corruptible: All of them were at their absolute weakest point which made it easy for Junko to brainwash them all into joining her.
- Criminals: They’re all wanted by the Future Foundation and the world at large for their terrorism.
- The Cult/Cult of Personality: Based around Junko Enoshima and her Despair based ideology.
- Despair Event Horizon: Each member crossed this at one time or another during their time at Hope's Peak, leaving them easy prey for Junko.
- Devoted to You: All of them were very devoted to Junko Enoshima, though their reasons for their devotion vary from maniacal love to having it be twisted into hatred. They even feel this devotion after her death, which is why they turned themselves in to the Future Foundation to kick start the game's plot.
- Evil Cannot Comprehend Good: Doing a Heel–Face Turn and humanity are beyond them due to Junko's influence: they had to be mind-wiped and placed in the Neo World Program to even have a chance at redeeming themselves.
- Face–Heel Turn: Once they all crossed Despair Event Horizon, Junko Enoshima put in the effort to get them to side with her.
- Freudian Excuse: They all have reasons as to why they are the way that they've came to be.
- I Love the Dead: Apparently, some of them tried to have children with Junko's dead body.
- I Surrender, Suckers: They allowed Makoto to capture them and put them into the Neo World Program as part of their plan to Junko-fy mankind.
- Lack of Empathy: They have little to none for anyone, even themselves.
- More Than Mind Control: Before her death, Junko broke, corrupted, abused, and twisted their mental states to the point where it seems like she’s able to still "control" them beyond the grave. The crimes they continue to commit is solely based on their own "free" will.
- Omnicidal Maniac: Just like their leader, their goal is to destroy the world.
- Self-Made Orphan: They are all stated to have killed their own families in the name of Junko's despair.
- Start of Darkness/Dark and Troubled Past: Every member had some event or series of events occur in their lives that drove them to despair, drawing Junko to them and allowing her to coerce them to join her.
- Teens Are Monsters: All of them weren’t even out of high school yet when they began to kill people and destroy everything all in the name of despair.
- Tragic Villain: Though not quite on Anti-Villain level, they've all have been through a lot to push them into becoming members of Ultimate Despair.
- Used to Be a Sweet Kid: Most of them, as seen as their pre-despair selves, were pretty decent kids before life became too much for them. Not to mention Junko Enoshima coming into their lives which only made things much worse.
- Villainous Legacy: Each member was continuing to spread despair long after their leader's death due to all of them adopting despair based mindsets like Junko's so much that Junko was confident that her despair would remain unstoppable.
- Woobie, Destroyer of Worlds: All of them reached a point where enough was enough for them, and they want the world and everyone else to pay for it.
Ultimate ??? (Talent not revealed during the game)A student at Hope's Peak and friends with a few of the students that made it onto the island (especially Mahiru.) After numerous threats made by Fuyuhiko's sister towards Mahiru, Satou confronts her about it, though the conversation eventually turns violent, with Satou eventually killing Fuyuhiko's sister and pinning the blame on a pervert who'd been in the news lately. Though Mahiru knows who the real culprit is, she keeps Satou's identity a secret, though Fuyuhiko finds out anyway and kills her. The whole story is eventually recreated in Monokuma's Twilight Syndrome game, causing Mahiru's murder as Sato's accomplice.
- Ambiguous Situation: Whether Sato's killer was Peko or Fuyuhiko is never explicitly stated in the game. Official materials confirm it to be Fuyuhiko, however.
- Asshole Victim: Considered as such by her killer, for killing his sister, a gesture Mahiru, the friend she'd hoped to help, was not happy with at all.
- Blinding Bangs: There's a much clearer shot of her in Chiaki's POV Manga, but even then her bangs obscure her eyes.
- The Faceless: There's only one picture of her so far, and her face isn't shown.
- One Degree of Separation: Sato hung out with Mahiru, Hiyoko, Ibuki and Mikan and killed Fuyuhiko's sister, causing Fuyuhiko to kill her in turn. And finding out about this information is what caused Peko to kill Mahiru.
- Only One Name: So far, she's only known as Sato, presumably her last name. In the localization, Chiaki, who otherwise calls people by their first names like the other characters in the localization do, refers to her somewhat formally as "Miss Sato."
- Poisonous Friend: While killing Fuyuhiko's sister was not her original plan, she's not terribly bothered by having to do so, even though Koizumi is far less pleased with the idea of a murder committed for her sake.
- Posthumous Character: Since you have to die in the game, because Fuyuhiko killed her.
- Walking Spoiler: Hence why she's in this section. Her entire character is the central point of the Twilight Syndrome mystery, as the first murderer and second victim.
Fuyuhiko's Younger Sister
Ultimate Little SisterAs the name implies, Fuyuhiko's younger sister. She apparently bullied Mahiru at school, and was killed by Girl E when she confronted her about it, dying on the first day of the Twilight Syndrome murder mystery game.
- Asshole Victim: Killed by Sato because she was bullying Mahiru, and planned on turning on Girl E as a result.
- Blush Sticker: Just like her brother.
- The Bully: Had a reputation as this.
- Even Evil Has Loved Ones: By most accounts, she was a largely unpleasant individual for the most part, but she was close to her brother in her own way.
- Green-Eyed Monster: According to Sato, was jealous of Mahiru's talent.
- Posthumous Character: The victim in the game.
- Screw the Rules, I Have Connections!: Took advantage of her connections with the Kuzuryu family to make life miserable for others.
- Tap on the Head: Killed by a swimsuit loaded with gravel.
- Tsundere: Described as such by her brother, saying that she treated him like an idiot most of the time, but also acted sweet and cutesy at times.
- Walking Spoiler: To an extent, as discussing her reveals some of Fuyuhiko's motives, and his involvement with Chapter 2.
Future FoundationAn organization that Monokuma claims is responsible for bringing the students to Jabberwock Island and wiping their memories, and for causing the destruction of the world. This is, in fact, only partly correct. The Future Foundation is actually an organization attempting to combat the effects of the Despairing Incident, and opposes the machinations of Ultimate Despair, with the assistance of the survivors of the first game's mutual killing game. The students were actually brought to the island (which is actually a computer simulation) in order to rehabilitate them after they fell under the influence of Despair.
Tropes Concerning The Entire Group
- Good All Along: They aren't actually affiliated with Despair; they are their enemies.
- Nebulous Evil Organisation: This is what Monokuma initially presents them as, calling them the "World Destroyers" and blaming them for the apocalypse following the Despairing Incident. Since this is coming from Monokuma, the subversion is inevitable.
- Walking Spoiler: The true nature of the Future Foundation counts as this, as well as the first game's survivors being members.
- Well-Intentioned Extremist: The organization as a whole wanted to kill the members of Ultimate Despair in order to bring The Tragedy to a proper conclusion. Makoto thankfully has a more merciful plan that achieves the same thing.
Future Foundation (Ultimate Hope)
- All-Loving Hero: He rebels against the higher-ups of the Future Foundation so he could attempt to rehabilitate the remnants of Ultimate Despair, instead of simply killing them as ordered.
- Big Damn Heroes: Twice, since he first "saves" the Ultimate Despair against the Future Foundation's wishes by putting them in the program and then comes into the program to save them when everything starts going wrong.
- Big Good: As the Ultimate Hope, and Makoto being responsible for trying to rehabilitate the Ultimate Despair students in the first place. AI Junko specifically mentions she wishes to defeat Makoto in particular since he is responsible for the original Junko's defeat.
- Exposition Beam: Has his memories returned thanks to the Future Foundation offscreen.
- The Hero: Working behind the scenes to save the survivors of Ultimate. Specifically asks Kyoko and Byakuya to allow him to handle the case alone.
- Messianic Archetype: Even with the Ultimate Despair being responsible for all the friends he lost and horrors he experienced in the first game, he still would rather redeem them than see them killed. How he got the other survivors to agree to this is a testament to his Ultimate Hope charisma.
- True Companions: With Kyoko and Byakuya.
- Walking Spoiler: He's here for a reason.
- Wham Line: The fake Makoto declares that all the students besides Chiaki were part of Ultimate Despair. The real Makoto later confirms it.
- What the Hell, Hero?: His superiors in the Future Foundation were not happy to learn about his attempts to rehabilitate the students.
Future Foundation (Ultimate Detective)
- Big Damn Heroes: To save Makoto and the former Ultimate Despair members.
- Exposition Beam: Has her memories returned thanks to the Future Foundation off-screen.
- Great Detective: Her talent.
- Walking Spoiler: Like Makoto.
Future Foundation (Ultimate Affluent Progeny)
Voiced by: Akira Ishida (Japanese), Jason Wishnov (English)One of the members of the Future Foundation. He is the real Byakuya Togami, the brilliant and ruthless scion of the Togami family. After escaping from the second "School Life of Mutual Killing", he vowed to rebuild the Togami financial empire from the ground up and joined the Future Foundation. He is now working with Makoto and Kyoko to save the students from the clutches of AI Junko.
- Big Damn Heroes: Like Kyoko.
- Blue Blood: As a member of the Togami family.
- Exposition Beam: Has his memories returned thanks to the Future Foundation off-screen.
- Jerkass: He is still very much a jerk, though less so compared to previously.
- Took a Level in Kindness: He's much less selfish than in the first game, and treats Makoto and Kyoko with genuine respect. Still far from nice, though.
- In fact, the very idea that he's willing to put himself at risk to save the remaining students, and completely put his trust in somebody other than himself at that (even though he's sure he'll still survive) would have been unthinkable of the first game's Byakuya.
- Walking Spoiler: Like Kyoko, only it also spoils the fact that the other Byakuya is a fake.
Future FoundationOne of the members of the Future Foundation. Alter Ego is an Artificial Intelligence developed by Ultimate Programmer Chihiro Fujisaki (before his death during the second "School Life of Mutual Killing") and is currently the administrator of the New World program, which was compromised by the AI Junko virus. Powerless to help the students directly, Alter Ego works tirelessly to prevent the collapse of the system and restrain the growth of the Junko virus as best he can.
- Artificial Intelligence: Of course.
- Game Master: Alter Ego's intended role was to manage the virtual world, operating behind Chiaki and Usami. Sadly his control is usurped by AI Junko.
- Mister Exposition: He only appears near the end of Chapter 6's investigation, relaying a message from Makoto and providing Hajime with a bunch of important information for the final trial.
- Not Quite Dead: Believed to have been executed, and then existing just as a virus in the school network of the previous game, Alter Ego appears safe and sound, acting as the administrator of the program that Hajime and Co. are in.
- Unwitting Instigator of Doom: Alter Ego was Junko's inspiration for creating an AI version of herself.
- Walking Spoiler: Especially since it looked like he was Killed Off for Real in the previous game, not counting his virus form.
- Wholesome Crossdresser: He still uses Chihiro as his general avatar. Hajime doesn't know better than to refer to him as a "she".
- You Don't Look Like You: His avatar within the Neo World Program isn't strictly Chihiro, but a black 3D block that displays an emotive, red lineart of Chihiro surrounded by programming code.