The cast of the ''Digital Devil Saga'' games. '''Beware of UNMARKED SPOILERS'''. The Ultimate Bosses' folder will have no marked spoilers at all, and will also spoil main series titles. You have been warned.


[[folder:The Embryon]]
->Voiced by: Creator/KenjiNojima (JP), Creator/YuriLowenthal (EN)

The SilentProtagonist of the game, Serph is the leader of the Embryon. Even with his emotions awakened, he remains a [[TheStoic calm and composed leader]] for his Tribe. Over the course of the game, he forms a bond with Sera and soon becomes determined to protect her.

His Atma is the ''Water Crown'', and his demon form is ''Varna''.

* AlliterativeName: [[spoiler:His full name is Serph Sheffield, seeing as it is the full name of the person he was based on.]]
* AmnesiacDissonance: In the second game, Serph realizes that [[spoiler:the person whom he is based on was the one directly responsible for angering God.]]
* BecameTheirOwnAntithesis: PlayedWith. [[spoiler:The original Serph Sheffield was a coldhearted, manipulative monster, whereas this version of him is an honorable, benevolent man.]] It's played with in that Serph remembers nothing about his former self.
* BladeBelowTheShoulder: His main form of attack when in demon form.
* EveryoneHasPistols: His weapon in human form is a pistol.
* FourPhilosophyEnsemble: The realist, he makes all of the tough calls and makes sure the Embryon stay focused on reaching Nirvana.
* TheGunslinger: It takes second place to his demon powers, but it's shown in cut-scenes that Serph has a deadly aim (to borderline [[ImprobableAimingSkills Trick Shot levels]]), and in game he rarely misses a shot.
* FusionDance: With [[spoiler:Sera, in the second game.]]
%%* GrayEyes
* AnIcePerson: His primary element is ice.
* HeroicBSOD: [[spoiler: Learning that his original human self was a rotten, heartless MadScientist did not sit well with poor Serph.]]
* HeroicMime: Justified in-game as [[spoiler:Serph's lack of personality reflects Sera's lack of understanding of who the real Serph Sheffield [[ManipulativeBastard really was]].]]
* TheQuietOne: Interestingly, Serph's lack of expression is actually commented on by the rest of his team.
* TheHero: Makes the tough decisions, leads the team and keeps them together.
* MeaningfulName: Serph -> Serf, [[spoiler: given the original purpose of the Junkyard and Sera's Dream Serph.]]
* NotSoStoic: Twice in the second game. [[spoiler:First when he found out the truth about his and Sera's pasts, and then again when Cielo dies.]]
* PersonalityPowers: His stat distribution is the most flexible, fitting for a guy who's element is water.
* PunnyName: Serph -> surf -> water -> ice
%%* ReiAyanamiExpy: A rare male example
* RedOniBlueOni: Blue to Heat's Red. Whereas Heat is rough and quick to anger, Serph has the equanimity of cold tea.
* SilentProtagonist: Serph never speaks in the first game. Lampshaded by Heat after the fight with Beck, who says he should speak up a bit more.
* TogetherInDeath: With [[spoiler:Sera in the second game.]]
* TomatoInTheMirror: [[spoiler:He is based on Sera's perception of who Serph Sheffield was but his lack of personality reflects how little she knew of the real thing. He grows as a character and becomes distinct from both the original Serph Sheffield and Sera's false perception of him]].
%%* WhatIsThisThingYouCallLove

->Voiced by: Creator/HikaruMidorikawa (JP), Creator/CrispinFreeman (EN)
--> "C'mon, your ass is mine."

Serph's [[TheLancer second-in-command]] in the Embryon, and their [[TheBigGuy strongest physical fighter]]. Heat quickly grows to [[AxeCrazy enjoy his newfound powers]] and has no qualms with devouring others to survive. Despite his abrasive behaviour, he has a strong, maddening affinity towards Sera which he struggles to cope with.

His Atma is ''Fireball'', and his demon form is ''Agni''.

* BadassCape: He wears a cape as part of his outfit with a cross on the back that's in the colors of the Embryon.
* TheBigGuy: Doubles as TheLancer. He is the first jump into battle and has the most hostile personality.
* BloodKnight: Clearly looks forward to his fights.
%%* BringIt
* EleventhHourRanger: In the last dungeon of the second game, he can be recruited in the final dungeon if you made certain dialogue choices throughout the two games.
* FaceHeelTurn: In the second game.
* FieryRedHead: Red hair, and one of the most aggressive characters in the game.
* ForcefulKiss: He does this to Sera, causing her to run off.
* FourPhilosophyEnsemble: The cynic, easily. He considers pretty much everything a threat and is suspicious of everybody.
* GoOutWithASmile: As Serph carries Heat out of the room, a faint smile can be seen of Heat's face.
* GrenadeLauncher: Wields single-shot, break-action launcher in human form.
* HotBlooded: In keeping with his fire powers.
* {{Irony}}: The violent guy who is the most eager to kill and eat his enemies? [[spoiler:He was a doctor]].
* JerkWithAHeartOfGold: He can be pretty insensitive and bloodthirsty, but he always puts Sera and his tribe's well-being before his carnivorous instincts.
* TheLancer: In the first game.
* LoveMakesYouCrazy: He becomes increasingly dissatisfied by the attraction between Sera and Serph, which leads to his FaceHeelTurn in the second game. [[spoiler:It's not entirely unjustified, considering what the real Serph did to Sera.]]
* MeaningfulName: His name is Heat and he has the fire element.
* MightyGlacier: Weak magic, low agility, high vitality and hits like a truck physically.
* NeckLift: To Harley.
* OneWingedAngel: Vritra in the second game.
%%* PeekABangs
* PersonalityPowers: The hotheaded brawler of the bunch turns into a fire-elemental, muscular monster.
* PlayingWithFire: His primary element is fire.
* RedEyesTakeWarning: Played with. He's brash and violent when his emotions awaken, but he's not a bad person. [[spoiler:When he turns into Vritra, his eyes become GlowingEyesOfDoom, and he attacks the party.]]
* RedOniBlueOni: Red to Serph's Blue. He is hotheaded, impulsive, abrasive and can't deal with his emotions.
* SocialDarwinist: He's the first to embrace the idea of strength and eating the weak.
* SuicideByCop: [[spoiler:After killing Serph, he's so overcome with guilt that he fights the remaining members of the Embryon. He yells at them to fight him harder, encourages them to keep looking for his weakness, and tries to get them to hate him.]]
* SuperStrength: Even in human form, he can throw a fully grown adult a few yards.
* TomatoInTheMirror: [[spoiler:He is based on Sera's perception of Heat O'Brien, a scientist who worked alongside Serph Sheffield on the God Project. Despite his hostile exterior, O'Brien genuinely cared for Sera and became horrified at how callously Sheffield treated her. When O'Brien attempted to stop him and save Sera's life, he was shot in the back by Argilla (under Sheffield's manipulations). O'Brien's data then became trapped in the E.G.G. and watched over Sera while his counterpart in the Junkyard developed to become his own person]].
* TragicMonster: As Vritra. [[spoiler:He killed Serph, but he regrets it so much that he wants the party to kill him.]]
* WhatIsThisThingYouCallLove: Heat in particular struggles with this since he doesn't quite understand his feelings for Sera and can only express himself through force and anger. This reflects [[spoiler: Sera's inability to get past the real Heat O'Brien's scary exterior and see the side of him that truly cared for her.]]


->Voiced by: Creator/YumiTouma (JP), Creator/AmandaWinnLee (EN)
--> "I'm sorry, I'll make this quick."

Argilla is the Embyron's [[FriendlySniper main sniper]], and is often paired with Serph on the most high-priority missions. She shows the most reluctance and horror towards her demonic transformation, even refusing to eat for a time. Over time she grows to accept the reality of her situation, becoming the most compassionate of the Embryon yet also doing what it takes to reach Nirvana and be rid of her powers.

Her Atma is ''Seismic Wave'', which lets her transform into ''Prithivi''.


%%* BadassLongcoat
* TheChick: Easily one of the nicest characters in the game, complete with {{Cry Cute}} moments.
* ColdSniper: Before the events of the game, since everyone in the Junkyard is emotionless.
* CombatMedic: Starts off with support spells.
* CombatTentacles: Prithivi's arms can extend out, which allows her to use them as whips.
* CryCute: After the tanker mission she finally lets out all of her frustrations and sorrows with the situation on Serph, fully shedding tears after all that they had to endure.
* DishingOutDirt: Her specialty and the element she resists.
* FourPhilosophyEnsemble: The Optimist, she tries to see the good in people and wants to get to know them.
* FriendlySniper: The sniper of the group, and easily the nicest member of the Embryon.
* GoodScarsEvilScars: A small, thin one over her eye.
* HeroicSacrifice: In the second game she sacrifices herself alongside Roland to stop the nigh-invincible Meganada.
* IJustWantToBeNormal: Says these exact words after receiving her powers.
* IntimateMarks: On her left breast.
* LeotardOfPower: If one looks really closely at the slit of her skirt when she moves.
* LightEmUp: Inherits [[spoiler:Seraph Lore from Jinana in the Sun should save data from the first game be imported.]]
* NiceGirl: Out of the entire cast, she's easily the friendliest and most compassionate.
%%* {{Odango}}
* PaperThinDisguise: Disguises herself as Sera to trick {{the Dragon}}. [[LampshadeHanging Lampshaded]] by Cielo.
* PersonalityPowers: Learns [[CombatMedic support]] and [[DishingOutDirt Tera]] spells, reflecting both her wish to be normal and her friendly nature. [[spoiler:Even more fitting is that she used to be a nurse.]]
* PunnyName: It's Italian for "clay".
* RoseHairedSweetie: Although you can't tell from her page image, she has a compassionate personality.
* SquishyWizard: Her stat growth favors Magic, making her vulnerable, but leaving her with spells that will leave enemies that are weak to them helpless.
* TeamMom: The caring one of the team, also doubles as somewhat of a mother-figure to Sera.
* TechnicolorEyes: Pink.
* TomatoInTheMirror: [[spoiler:Argilla was based upon a nurse who took care of Sera during her time in the God Project. Although caring and flirtatious, the real Argilla fell prey to Serph Sheffield's manipulations and killed Heat O'Brien when he threatened Serph with a gun. Ironically, even though Argilla is fond of Sera, the nurse she was based on didn't like her]].
* WhipItGood: Her demon form has extendable arms, giving her a pseudo-whip attack.


->Voiced by: Creator/HideyukiHori (JP), Creator/SteveBlum (EN)
--> "We have the advantage, proceed."

Gale is the [[TheSmartGuy main tactical advisor for the Embryon]], whose analytical and intelligent mind has led the Embryon to multiple victories. Gale values logic and rationality above all else, and finds himself increasingly isolated from his comrades as they develop their emotions.

His Atma is ''Twister'', which transforms him into ''Vayu''.

* ArmedLegs: In his human form, his boots have daggers built in them. In his demon form, he can extend blades from his feet.
* BadassBookworm: The analytical member of the team. Doesn't look like much of a bruiser, but he is a MagicKnight who can kick all kinds of all.
* BlowYouAway: His specialty and the element he resists.
* CatchPhrase: "I do not comprehend."
* CharacterDevelopment: After meeting Lupa, he starts to take the concept of honor VERY seriously.
* CharacterTics: He has a habit of touching the bridge of his nose reminiscent of the way a person might adjust their glasses. [[spoiler: It's implied to be a habit that he inherited from his past life as David, who wore glasses.]]
* CyberneticsEatYourSoul: Implied. The novels note that he is the "Bishop" of the Embryon, which means his head is loaded to the gills with cybernetics in order to act as the strategist. Naturally, he's TheSpock of the team.
* DiedInYourArmsTonight: How he dies [[spoiler:both as David Gale and data Gale, and both times with Angel.]]
* EmotionSuppression: You can see his eyes flicker green [[spoiler: whenever he has visions of Angel crying. It takes Lupa's death for him to properly awaken.]]
* ExtremityExtremist: Primarily uses kicks to attack.
* FourPhilosophyEnsemble: Is the guy who makes the plans, but his inability to care about emotion or consequences places him in the Apathethic category.
%%* HeroicSacrifice
* HurricaneKick: Uses an upside down variation when using a multi-hitting physical attack.
* {{Irony}}: Is the only member of the Embryon to view Sera with suspicion and general apathy towards her well-being after meeting her. [[spoiler:As the lover of Angel, her parent, he's one ring away from being Sera's stepfather.]]
* TheLancer: Takes on this role in the second game, since Heat is M.I.A.
* MagicKnight: Has balanced stat-growth, but his two dominant stats are strength and magic (75 each at level 99).
* NotSoStoic: The very first thing he does after awakening is declare his RageAgainstTheHeavens. Loudly.
* PlayingWithFire: Inherits [[spoiler:Pyrithegethon from Lupa in the Sun should save data from the first game be imported.]]
* PunnyName: His element is force, which is basically just the wind element. A gale is a storm.
* TheSmartGuy: He's the main technical advisor and strategist of Embryon.
* TheStoic: He takes the longest to awaken to his emotions, and even after awakening he's the least likely to act on them of all of Embryon.
* TheStrategist: Serve this role for the Embryon.
* StrawVulcan: The last of the Embryon to truly awaken to emotions, and even then he tries to push them aside in favor of logic.
* TheRestShallPass: He chooses to face of with Angel at the airport in the second game in order to allow the rest of the Embryon to seize a plane. [[spoiler: It ends with both Gale and Angel dead]].
* TomatoInTheMirror: [[spoiler:His past self was David Gale, a researcher in love with Jenna Angel. Unfortunately, he caught Curvier Syndrome and died when his isolation ward was attacked by terrorists. Although he spent his [[DiedInYourArmsTonight dying moments trying to put Jenna's mind at ease]], his death acted as the catalyst for many of her machinations]].
* WhatIsThisThingYouCallLove: Finds emotions hard to understand. [[spoiler:Ironically enough, he was married in his past life.]]


->Voiced by: Hiroaki Miura (JP), Creator/DaveWittenberg (EN)
--> "Okay you asked for it."

Cielo is a capable fighter in the Embryon, though he lacks any particular speciality. After he awakens his Atma, he gains a thick Jamaican accent and becomes the most playful and vibrant member of the group.

His Atma is ''Rainbow Arch'', and his demon form is ''Dyaus''.

* BewareTheSillyOnes: He may be the comic relief character, but when provoked he will kick your ass as one of the Tribhvana found out.
* TheBigGuy: In the second game. Not so much in the first. He shares this role with Roland.
* FourPhilosophyEnsemble: The Conflicted. He really just seems to be along for the ride at time and doesn't make a lot of decisions on his own.
* FragileSpeedster: In the first game, his stat distribution is geared towards agility.
* FunnyForeigner: After gaining a Jamaican accent.
* HairColorDissonance: His hair is meant to be blue but looks more lilac sometimes.
%%* HeroicSacrifice
* TheLoad: Fixed in the sequel.
* PunnyName: It's Spanish for "sky".
* ShockAndAwe: His primary element.
* TomatoInTheMirror: [[spoiler:He was based on one of the other children involved in the preliminary stages of the God Project, where he struck up a lasting friendship with Sera. Unfortunately, he would end up dying in the experiments along with every other child except for Sera]].
* TookALevelInBadass: Again, in the sequel.
%%* WhatIsThisThingYouCallLove

->Voiced by: Creator/HoukoKuwashima (JP), Creator/WendeeLee (EN)

A [[MysteriousWaif mysterious black-haired girl]] who appears in the Junkyard along with the Atma. Unlike the other inhabitants of the Junkyard, she bears no identifying Tag Ring. Sera has no memory of her past, but claims to have come to the Junkyard to help everyone. Her song can pacify the demonic inhabitants of the world, preventing them from going berserk.

Sera is actually the creator of the Junkyard, using a psychic power that allows her to manipulate data. In the real world, her power was used in a series of experiments designed to communicate with the superbeing known as "God". Because of the stress of these experiments, Sera created the Junkyard as a private paradise and haven for her own mind. When the existence of the Junkyard was discovered, the scientists forced her to re-purpose it into a military simulator for the development of combat A.Is.

When Jenna Angel attempted to use the Junkyard as a testing ground for her plan to unleash the Demon Virus on a worldwide scale, Sera forcibly inserted her consciousness into the program at the cost of her memories. Her real body rests in the real world, hooked into an incubator that sustains her frail life.

During the events of ''Digital Devil Saga 2'' she inherits the ''Water Crown'' Atma from Serph, which lets her transform into ''Varnani''.

* BecauseYouWereNiceToMe: Desconstructed. [[spoiler:She risked her life for the BitchInSheepsClothing because he was nice to her, and was scared of the JerkWithAHeartOfGold despite him being the only one who cared about her.]]
* CuteMonsterGirl: Her demon form is [[ actually quite adorable]].
* DamselInDistress: In the first game, she is nothing but this.
* DistaffCounterpart: Her demon form is this to Serph's.
* EveryoneHasPistols: Her human form uses a pistol like Serph.
* FusionDance: With [[spoiler:Serph, in the second game.]]
* GirlInABox: How she is introduced.
* HolyChild: All the tribes are after her, knowing they need her to get to Nirvana.
* AnIcePerson: After obtaining an Atma and being able to turn into a demon her primary element is ice.
* InnocentProdigy: [[spoiler:She has incredible psychic powers, but is still a seven year old girl on the inside. She created Disneyland in her virtual world, and described her situation like a fairy tale. It's implied that she made the [[SceneryPorn beautifully crafted]] buildings in the Junkyard as well]].
* LateArrivalSpoiler: [[spoiler:Her inheriting the Water Crown is spoiled on the second game's box art.]]
* MagicMusic: Her singing can calm berserk demons.
* NakedOnArrival: Twice. She emerges into the Junkyard completely naked, and [[spoiler:leaves the EGG naked as well.]]
* NonActionGuy: Well, girl. [[spoiler:First game only.]]
* PurityPersonified: Reason being is that she is actually still a child. She just suffers from RapidAging.
* TookALevelInBadass: In the sequel she stops being a DamselInDistress and gets herself an Atma so she can fight alongside Embryon.
* YoungerThanTheyLook: [[spoiler: Sera suffers from RapidAging as a result of the repeated use of her [[GreenLanternRing "Cyber Shaman" powers]]. This gets to the point she cannot survive for too long without the sustaining fluids from the EGG.]]


[[folder:Rival Tribes]]

->Voiced by: Creator/MasayaOnosaka (JP), Creator/LexLang (EN)
--> "I see now... There is one thing I finally understand... In this world, it's eat... or be ''EATEN!''"

The leader of the Vanguards, the closest rivals to the Embryon. Harley is present at Ground Zero when the Atma is unleashed upon the Junkyard, and is driven insane with fear by the bloodbath that ensues.

His Atma is ''Burning Stake'', and his demon form is ''Hayagriva''.

He finally snaps after being cornered by the Embryon, who just wanted to exchange information on what happened at Ground Zero. He attacks them in a desperate rage and is killed.

* AntiVillain: Before gaining emotions, he only fought the Embryon because he was supposed to. After gaining emotions, he just ordered attacks on them out of sheer terror.
* AutomaticCrossbows: Uses them in cutscenes, but is never fought in human form.
* CripplingOverspecialization: All his damaging moves are Fire-element, so Heat's Void Fire renders him completely harmless.
* FreakOut: He reacts poorly to the Atma.
* GoMadFromTheRevelation: The advent of the demon virus and sight of his men going berserk smashes Harley's sanity into little bloody pieces.
* HellishHorse: His demon form Hayagriva.
* PlayingWithFire: He uses fire magic.
* SacrificialLion: He exists to show just how devastating the Atma can be upon the Junkyard and how much it can change things. The Vanguards collapse in a day, and Harley goes from a competent leader to a frightened child.
* WarmupBoss: His battle mainly serves to show how useful elemental shields are; he's incapable of even damaging the party if Heat's Void Fire is active. (He'll also cover his own weakness with Void Ice occasionally, but it's not like that makes him a threat)


->Voiced by: Creator/KazueIkura (JP), Creator/MaryElizabethMcGlynn (EN)
--> "Many of us have died due to this unexplained power. If my reaction is "sad," then yes, I am sad."

The leader of the Maribel. After the tribes gain the power of Atma, Gale proposes an alliance with her in order to defeat the Solids, with Argilla becoming [[LesYay quite fond of her]].

Her Atma is ''Aurora'', and her demon form is ''Usas''.

The party are eventually required to kill her after she succumbs to the madness of the Demon Virus, having refused to devour a single person.

* DiedInYourArmsTonight: To Argilla.
* FashionableAsymmetry: It's subtle but one of her leggings is red whilst the other is grey, her [[FacialMarkings tear drop marking]] is on her right cheek and her hair is combed over her left eye.
* FlunkyBoss: Summons Unicorns to aid her.
* FusionDance: [[spoiler: Her data is absorbed by Argilla in the sequel should save data be carried over form the first game, granting her Seraph Lore.]]
* IntimateMarks: She has a PowerTattoo on her right buttock.
* LightEmUp: Uses Hama and her special combo attack Seraph Lore.
* PeekABangs: Her hairstyle.
* TheQuincyPunk: The aesthetic of her tribe.
* SparedByTheAdaptation: [[spoiler:She survives the attack on the Solids base in the novels.]]
* StandardStatusEffects: Uses Marin Karin to charm her foes.
* {{Stripperific}}: Her outfit basically amounts to a bikini, an open jacket, and boots. Not like the rest of her tribe is much better.
* TragicMonster: Due to not eating others she eventually goes berserk and has to be put down by the Embryon.
* TronLines: [[spoiler:Her body is covered in green lines after going berserk due to the Virus, but they're gone when she's fought.]]


->Voiced by: Creator/RyotaroOkiayu (JP), Creator/DaveWittenberg (EN)

Originally TheDragon to Jinana, Bat's emotions awaken after he is defeated by Serph and he gains a severe case of ChronicBackstabbingDisorder, becoming a [[RecurringBoss recurring antagonist]] to the Embryon.

His Atma is ''Sonic Wave'', and his demon form is ''Camazotz''.

After switching sides to the Solids and then the Brutes, Bat ultimately dies after a final rematch with Serph when the ship he is on explodes as part of a plan to weaken the Brutes]

* BalefulPolymorph: He can transform your party into bats.
* BatOutOfHell: His demon form is a giant bat.
* BlowYouAway: Eventually learns wind spells by the third encounter and gets his own skill Winds of Hell.
* ChronicBackstabbingDisorder: Betrays every one he works with save for [[spoiler: Varin, but only because he gets killed before he could possibly try.]]
* TheDragon: First to Jinana, then to [[spoiler:Mick, and tries to be another one to Varin.]]
* FlunkyBoss: During his second boss fight where he'll summon Baphomets.
* HateSink: He is a treacherous coward who speaks ill of the dead to provoke people.
* {{Irony}}: His "Guard" skill, which reduces the damage of all attacks that would damage him while unguarded, but not only does it remove his immunity to Earth attacks, it also makes him ''weak'' to them.
* {{Jerkass}}: Petty and cruel to the bone: Bat's loyalties lie only to himself and he delights in taunting Argilla to get a rise out of her.
* KnifeNut: He doesn't use it in combat, but he stabs Heat with one as a way of persuading him.
* MeaningfulName: A rather self-explanatory one, seeing as his demon form, Camazotz, is a giant bat.
* PunnyName: He transforms into a bat.
* RecurringBoss: Fought three times through the first game [[spoiler:and once again in the second, as Solar Data.]]
* SlasherSmile: Gives one of these smug, sadistic smiles all the time.


!!'''Mick The Slug'''
->Voiced by: Creator/HisaoEgawa (JP), Creator/JoeRomersa (EN)

The leader of the Solids. After gaining the power of Atma, Mick becomes a cruel and sadistic leader who takes great pleasure in devouring others.

His Atma is ''Solar Eclipse'', and his demon form is ''Rahu''.

He captures Sera from the Embryon as per the Karma Temple's orders. However, he is betrayed by Bat and cornered by the Embryon, who kill him.

* BadBoss: Enjoyed eating his men who went berserk because they didn't eat other humans.
* BigEater: Takes to the new rules of devouring opponents with no problems at all. While most Tuners see devouring as a means to get stronger or stave off the virus, Mick seems to like gorging himself for its own sake.
* DubNameChange: From ''Mick the Nick'' to ''Mick the Slug''.
* FatBastard: Fat, and one of the leaders with very few redeeming qualities.
* HumanResources: He especially loves eating people.
* OurDragonsAreDifferent: His Atma Avatar is a dragon whose head can detach from the main body. Rahu even means Dragon's Head.
* ScaryBlackMan: A cannibal, though that's not strange in the setting, but the cruelty he demonstrates and sheer glee he finds in eating people puts him firmly in this category.
* StoutStrength: Fat, but also incredibly strong.
* WarmBloodbagsAreEverywhere: And to him, this is a good thing!
* WouldHitAGirl: Has no problem beating the crap out of Jinana.

->Voiced by: Creator/HideoIshikawa (JP), Creator/JamiesonPrice (EN)

The honourable and powerful leader of the Wolves. His tribe takes heavy casualties against the Brutes, and he approaches the Embryon for support.

His Atma is ''Lava Flow'', and his demon form is ''Cerberus''.

His belief in honour ultimately leads to his downfall when he refuses to eat the corpses of his fallen opponents. He succumbs to the madness of the Demon Virus and is put down by the Embryon.

He is the reincarnation of Greg, former leader of the Lokapola and the father of Fred. Who died after he tested the Atma Virus on himself.

* CanisMajor: Cerberus, natch.
%%* DarkSkinnedRedHead
* EyelessFace: The three heads of Cerberus lack eyes.
%%* FacialMarkings
* AFatherToHisMen: He'll gladly sacrifice himself to protect them.
* {{Foreshadowing}}: [[spoiler: Him going berserk is hinted at in the Samsara Tunnels as the Embryon check the bodies of Brute tribesmen and talking to Wolves tribesmen. He starts off sparing as many people as he can and not eating them, but eventually he stops recognizing his own men and begins to butcher both Brutes and Wolves alike, while chewing on entrails.]]
* FusionDance: [[spoiler: His data can do this in the sequel, where he'll pass on his strongest fire spell to Gale in the process.]]
* HonorBeforeReason: Refused to devour anyone. As seen with Jinana, it doesn't end well for him.[[spoiler:His honor does trigger a ton of CharacterDevelopment for Gale, as he starts taking over this habit from Lupa.]]
* MagicalNativeAmerican: The entire aesthetic of his tribe.
* MeaningfulName: Lupus means "wolf".
* PastLifeMemories: He has them of [[spoiler:his son and the fact that there are no children in the Junkyard helped him to understand that there is something up with the world.]]
* PlayingWithFire: Knows the Agi spells and his unique Phlegethon and combo Pyriphlegethon fire skills.
* RedEyesTakeWarning: Subverted, he's a friendly guy if you're his ally.
* ShootTheMedicFirst: [[spoiler:During his boss fight, the left head provides healing to the center head every turn, making hurting the center head pointless unless you can somehow outpace the healing.]]
* TragicMonster: Due to not eating anyone he ends up going berserk.
* TronLines: [[spoiler: Red ones cover his body after going berserk. They're gone when he's fought as a boss, though.]]


!!'''Varin Omega'''
->Voiced by: Creator/BanjoGinga (JP), Creator/BobPapenbrook (EN)

The ruthless leader of the Brutes. After gaining emotions, he refers to himself as "Colonel Beck" and seems to know more about the Junkyard than anyone else. He carries a powerful grudge against Serph.

His Atma is ''Turbulence'', and his demon form is ''Ravana''.

His past self was Colonel Terence E. Beck (William van Beck in [[Literature/QuantumDevilSagaAvatarTuner the novels]]), the military commander who ultimately approved the project that led to the current state of events in the world.

* BerserkButton: Do ''not'' call him Varin! He is a colonel! Colonel Beck!
* BewareTheSillyOnes: ''He's'' not silly, but his demon form, especially once it's encased in the suit, is one of the goofiest looking things you will ever face in the game. He seems aware of this, and warns you not to underestimate him.
* BladeBelowTheShoulder: His Atma Avatar has serrated daggers concealed in its hands.
* ClimaxBoss: The last of the Tribe leaders to be fought, and the last proper boss until the final one.
* DoppelgangerSpin: A variation; in his first form, he's invisible and can appear in one of six spots. There's no indication of which one he's actually in other than vague hints from Sera.
* HighlyConspicuousUniform: Has ''bright blue'' face paint and armor. Not that he really needs it, because he can turn completely invisible.
* HorrorHunger: Has the ability to invoke this in others.
* InstantArmor: His tail can split in two and encase his whole body in a suit of armor.
* {{Invisibility}}: The unique ability of his Atma Avatar. He can also use while in human form.
* MultiArmedAndDangerous: His demon form has four arms.
* MightyGlacier: Once he shifts to his second form, his movements slow down considerably, but he still remains powerful. His basic attack is little more than slowly extending his arm blade to the opponent, and yet it ''still'' does heavy damage.
* OneManArmy: He defeated most of the Wolves, the second largest tribe in the Junk Yard, on his own.
* PurpleEyes
* SequentialBoss: Starts off as an insectoid creature that turns invisible, forcing the party to play a guessing game as to where he is while Sera tries to narrow it down. Once he takes enough damage, Varin encases himself in an exoskeleton and engages the party head-on.
* SuperStrength: Throws people around like rag dolls and effortlessly catches one of Heat's stonewall shattering punches.


[[folder:Other Characters]]

->Voiced by: Creator/MichieTomizawa (JP), Creator/MaryElizabethMcGlynn (EN)
--> "Rend...Slaughter...Devour your enemies! There is no other way to survive. You cannot escape your hunger, Warriors of Purgatory!"

A mysterious being who grants the Junkyard the power of Atma, and commands them to bring Sera to Nirvana.

Her Atma is ''Maelstrom'', and her demon form is ''Harihara''.

Her true identity is Jenna Angel, the creator of the Demon Virus and Sera's mother/father. Her goal is to retrieve Sera's consciousness from the Junkyard so she can be used in her grand plan to spread the Demon Virus worldwide, reducing the world to a primal state of being.

* TheAtoner: Towards the end of the second game, [[spoiler:she offers support to the Embryon and can even give Seraph a special attack after she dies. Like the rest of the Embryon, she is reincarnated.]]
%%* AuthorityEqualsAsskicking
* BigBad: She is the final boss of the first game.
* ChewingTheScenery
-->'''Angel''': At last we shall see the maturation of the seed I HAVE SOWN IN YOU!
* DiedInYourArmsTonight: With Gale.
* DragonWithAnAgenda: She works for Margot Cuvier, but ultimately works to subvert her and all she has planned.
* FinalBoss: Of the first game.
* FlunkyBoss: In the second phase of her fight, she summons orbs that protect her from damage of each orb's corresponding element.
* FusionDance: [[spoiler:If you told Cuvier to go fuck herself, Jenna's data will later on be absorbed by Seraph and unlock the Reincarnate ability.]]
* {{Hermaphrodite}}: Has both male and female genitalia. She supplied both the sperm and the egg for Sera.
* HeartbrokenBadass: The FreudianExcuse for most of her actions is due to terrorists killing David in an attack.
%%* LargeHam
* {{Leitmotif}}: [[ "Maelstrom"]], a very distinct theme driven by powerful strings.
* NamesToTrustImmediately: [[SubvertedTrope Subverted.]]
* OneWingedAngel: She's got an Atma.
* PreAssKickingOneLiner: ''"Who do you think created the demon virus?"''
* ToCreateAPlaygroundForEvil: Her plans in the second game where to pretty much turn the world into one huge slaughter fest.
* TrulySingleParent: She's both Sera's mother and father.


->Voiced by: Creator/KenjiNojima (JP), Creator/YuriLowenthal (EN)

A cat seen at various points throughout the two games.

%%* CatsAreMagic
* ChekhovsGunman: Originally just some cat that popped up in random places in the Junkyard.
%%* CoolCat
* GameOverMan: Shows up and looks disappointed or sad during the game over screen in the second game.
* PhysicalGod: [[spoiler:Its true identity is Seraph. As an ascended being, Seraph exists beyond time and space and can therefore appear in the past to help guide its past selves towards enlightenment]].
%%* SignificantDoubleCasting
* TimeyWimeyBall: He's actually [[spoiler: Seraph, who is using TimeTravel to insure that his past self reaches the point where he can become Seraph, then go back in time to insure that his past self reaches the point where etcetera etcetera etcetera.]]


[[folder:Introduced in DDS2]]

->Voiced by: Creator/NobutoshiCanna (JP), Creator/KirkThornton (EN)

The leader of the Lokapala [[LaResistance resistance group]] that opposes the Karma Society. The stress of his position has driven him to drink, and he distrusts all demons. However, after meeting Serph he decides to sober up and join his cause, using the Demon Virus on himself so he can be an asset to the team.

Depending on the player's choices he will rejoin the team for the final dungeon instead of Heat.

His Atma is ''Lightning Bolt'', and his demon form is ''Indra''.


* TheAlcoholic: At the start. He sobers up to help out the team.
* BadassBeard: That is one ''nice'' goatee.
* TheBigGuy: With Cielo.
%%* GrayEyes:
* HeroicSacrifice: Gives his life to stop Meganada
* JackOfAllStats: While he does slightly veer into a physical specialist, he otherwise has a very equally distributed statline.
* MrExposition: When the party first meets with him.
* MythologyGag: [[VideoGame/ShinMegamiTenseiI Not the first]] resistance leader who had lightning and healing powers, was the last to join the party, and [[spoiler:made a HeroicSacrifice after provoking one of the two initial antagonists into the GodzillaThreshold.]]
* MeaningfulName: His name can mean "Great Country", which he is fighting to protect.
* OddNameOut: Fittingly, his name is the only name of the party members to not be directly linked to his abilities, much like how he isn't initially a member of the Embryon.
* ShockAndAwe: His primary element.
** MundaneUtility: He uses it to open electronically locked doors.
* ShotgunsAreJustBetter: Wields a shotgun in human form.
* SixthRanger: He's the only party member not to be present in the first game.
* TheSmartGuy: He's the second brain of the Embryon thanks to his knowledge of the world and experience. Fittingly, he takes up Gale's role during the Power Plant dungeon since Gale is temporarily a SilentProtagonist.


->Voiced by: Creator/NaomiShindo (JP)

A young boy who Argilla saves not long after leaving the Junkyard. He is revealed to be a member of Lokapala, the son of the previous leader. He acts as an enthusiastic support to the Embryon and their cause.

* BrattyHalfPint: At times
* {{Irony}}: He becomes the ParentalSubstitute of the reincarnated Embryon, plus Jenna.
* [[SheIsAllGrownUp He's All Grown Up]]: He's the adult seen at the beginning of the second game.
* NarratorAllAlong: Of the second game.
* NiceHat: He wears a neat cap that he emblazons with the Embryon stripe.
* ParentalAbandonment: [[spoiler:His father died and reincarnated as Lupa]].
* ParentalSubstitute: [[spoiler:For the reincarnated Embryon]].
* SoleSurvivor: [[spoiler:He's the only named character to survive the games]].
%%* TagalongKid



Roland's right hand man. Because of fellow Lokapala and leader Roland's alcoholism, Adil is the de facto leader of the Lokapala until Roland sobers up. Is very distrustful towards tuners but remains trustful towards Roland even after he get's his Atma.

* ScreamDiscretionShot: [[spoiler:As he is killed by Meganada]].


!!'''The Tribhvana'''
The Karma Society's elite guard. They consist of three Tuners, known only by [[EveryoneCallsHimBarkeep their codenames]]. '''Earth''' is the apparent leader of the trio, and can transform into Ubelluris. '''Heaven''' is the one female member, and can transform into Ganga. '''Air''' has the appearance of a mime, but is ironically the chattiest of the three, as becoming a Tuner seems to have taken a toll on his sanity. He can transform into Cu Sith.

They are fought twice in the Karma Society. By the time the party reaches the E.G.G., Earth has devoured Air and Heaven, out of frustration and to gain even more strength. As a result, his Yaksa form becomes Abaddon. This angers [[BewareTheNiceOnes Cielo]], who is disgusted that Earth would forsake his comrades so easily.

When defeated, Earth is spared by Cielo so that he can live to bear his karma.

* AxeCrazy: All of them to some degree. Air's a cackling, bug-eyed lunatic, while Heaven has a sadistic [[TheBaroness Baroness]] vibe to her. Earth is far and away the most stoic and level-headed of the trio, making it all the more shocking when he snaps worse than either of them and devours them both.
* BarrierChangeBoss: Abaddon's resistances and skills change around to match those of Ubelluris, Ganga, and Cu Sith, in that order.
* BarrierWarrior: Air can throw up shields to cover his and his comrades' weaknesses.
* GlassCannon: Heaven has the lowest HP of the trio, but throws around Ma-Dyne spells like candy while transformed.
* ImAHumanitarian: While every character with the demon virus has shades of this, Earth is the only one to kill and eat another named character.
* ItemCaddy: Air and Heaven can use items on you in their first fight while untransformed.
* LuckilyMyShieldWillProtectMe: Earth carries the same shield that all Karma Society soldiers do. He doesn't use it while tuning, of course.
* MightyGlacier: Earth.
* QuirkyMinibossSquad: Until Earth eats the others, at least.
* SanitySlippage: Air is implied to have gone through this after taking the demon virus. It's reflected in his voice somewhat. Earth goes through it too: two defeats by 'mere programs' drives him to devour Heaven and Air, and he's [[SlasherSmile clearly snapped]] when the group finds him.
* ShockAndAwe: In their second encounter, they have a powerful electric fusion spell.
* SuperStrength: Earth; after eating his comrades, he is strong enough to crush rocks with his bare hands.


!!'''Margot Cuvier'''
->Voiced by: Creator/HirokoEmori (JP)

The woman in charge of the Karma Society. She hopes to preserve the last remnants of humanity by transforming the people of the Karma Society into demons and then keeping them fed with the ground-up remains of those who oppose her.

* AntiVillain: Her goal is to preserve the human race when they're on the brink of destruction.
* TheAtoner: After dying and going to the Sun she regrets her actions after she lost her way. Her wish is for Seraph and comrades to stop God from destroying mankind.
* HeelFaceTurn: After her death. She even joins Seraph and friends as they go to the Sun.
%%* SinisterShades
* TheUnfought: Jenna gets to her before Serph's party does.
* VillainousBreakdown: After seeing her actions help caused God to start absorbing the planet.
* WellIntentionedExtremist: Everything she does is to ensure the survival of the human race.



--> "In...dra..."

One of the first to have been turned into a demon during the Black Sun incident. Angel was able to extract enzymes from it and in turn create the demon virus. It was kept sealed in the research center until Angel ordered it to be released.

* BellyMouth: Five of them.
* HeroKiller: Responsible for the death's of [[spoiler:a huge chunk of the Lokapala as well as Adil, Argilla and Roland.]]
* TheJuggernaut: [[spoiler:Roland and Argilla have to blow up a reactor to take him out.]]
* KnightOfCerebus: Everything really starts going to hell in Digital Devil Saga 2 when he becomes active.
%%* MultiArmedAndDangerous
%%* SealedEvilInACan
* ShockAndAwe: His element is electricity, but he also has a ton of immunities and resistances.
* StanceSystem: In the boss-fight against it, it switches back and forth between a magic focused stance and a physical based stance.
* TheUnfought: Subverted. [[spoiler:Argilla kills it in a cutscene-only suicide attack, but it becomes Solar Data and guards the FinalBoss.]]
* TooManyMouths: Sports a total of 11 mouths.


[[folder:Walking Spoilers]]

!!'''Serph Sheffield'''
->Voiced by: Creator/KenjiNojima (JP), Creator/YuriLowenthal (EN)
--> "Since when did people start expecting science to be humane? To study the body, you cut it open. To study the mind, you isolate it by crushing the heart. Historically, that's how science has advanced."

A charismatic scientist working on a series of experiments called "The God Project". He has a strong bond with Sera.

His true self is a manipulative, power-hungry megalomaniac who seeks to use Sera's powers to become a god. He sees Sera and the people around him as mere tools to be used in his pursuit of this goal, and pushes the young girl to painful extremes while pretending to care about her.

His downfall comes after he indirectly murders Heat O'Brien for trying to stop him, and Sera witnesses his true nature. He is transformed into a demon, but instead of being reincarnated in the Junkyard his soul is trapped in the E.G.G.

* AGodAmI: His goal is to attain the power of God, and he proclaims his success right before his boss fight.
* BitchInSheepsClothing: Portrayed himself as a caring figure to Sera, but only saw her as a tool to further his ambitions.
* ForScience: [[SubvertedTrope Nope.]] Science is simply a means to an end: another tool to secure him the power of God.
* GreaterScopeVillain: He set the events of the game into place through his experiments and murder of Heat O'Brien, which led to Brahman's anger and the Black Sun. His lying to Colonel Beck led to the creation of the Junkyard, as well.
* ImprobableAge: He was the doctor in charge of Sera's mental health when he was around 22 years old.
* LackOfEmpathy: Says in no uncertain terms that people are just tools to him.
* ManipulativeBastard: Talked all sweet to Sera in order to win her trust and convince her to endure the experiments, but in reality he cared nothing for her beyond what she had to offer him, and even then he saw her as disposable if it came down to it. He managed to get his hooks into the original Argilla, and she jumped to his rescue when Heat O'Brien threatened him.
* MorallyAmbiguousDoctorate: He's a genius with no moral standards.
* PosthumousCharacter: By the time the games begin, he's long dead.
* SmallRoleBigImpact: He appears for at most ten minutes yet his actions is what puts the whole story in motion, and is the closest this series gets to a true BigBad.
* SmugSnake: Incredibly smug, evidenced by his gloating after having the real-world Argilla shoot Heat O'Brien dead. Unfortunately, he didn't realize Sera was listening in; the reveal of his true nature breaks her heart, and the whole world goes in the crapper.
* VillainousBreakdown: In the E.G.G., when confronted with the reality that he has died.
* WalkingSpoiler: It is very hard to discuss him without spoiling pretty much the entire duology.
* WhiteHairBlackHeart: Inverted. Sheffield's hair was just as black as his heart. His white-haired digital counterpart was a much better person.


!!'''Heat O'Brien'''
->Voiced by: Creator/HikaruMidorikawa (JP), Creator/CrispinFreeman (EN)

A somewhat hot tempered scientist working on "The God Project". His temper often intimidates Sera.

In contrast to Serph he genuinely cared about Sera and was furious of his treatment of her. Finally after Serph takes one step too far, Heat snaps, threatening to kill him if the experiments weren't stopped but is shot dead by a nurse Serph had manipulated. His soul, like Serph's, ends up trapped in the E.G.G. and helps Asura Serph to discard his past self.

* CameBackStrong: He's still a ghost, but he gained Agni's power after dying.
* FaceDeathWithDignity: Accepts his death, unlike Sheffield.
* GuestStarPartyMember: He's playable when Serph fights against Sheffield and the original AI Serph, and it's more than likely that he will carry you through the fight.
* ImprobableAge: He was the doctor in charge of Sera's physical health when he was around 24 years old, with his own subordinates.
* JerkWithAHeartOfGold: He was temperamental, but much of his anger stemmed from the other scientists' treatment of Sera.
* OOCIsSeriousBusiness: Unlike the Junkyard Heat and his depiction in the flashbacks, he accepts his death rather calmly.
* PosthumousCharacter: Sheffield manipulated Argilla's real world counterpart into killing him.
* WalkingSpoiler: For the same reasons as Sheffield.


->Voiced by: Creator/WendeeLee (EN)

The entity created when Serph and Sera's data merges on their path to the Sun. Seraph is a powerful, unisex being who has the potential to communicate directly with {{God}} and reach enlightenment.

Their Atma is ''Clarion'', and their demon form is ''Ardha''.

* EleventhHourSuperpower: Only becomes available during the final dungeon.
* {{Hermaphrodite}}: Thanks to being a fusion of Serph and Sera.
* KiAttacks: Though technically it's prana, Seraph's "gun" attacks use these instead of conventional gunfire.
* MeaningfulName:
** [[SubvertedTrope Subverted]] in regards to their elemental association. Seraph is not associated with Expel-elemental attacks as their name would imply.
** Their demon form, Ardha, is named after the hermaphroditic result of a fusion between Shiva and Parvati.
* NonElemental: Seraph has no elemental alignment.
* PowerFloats: Stands like normal, but floats along instead of walking.
* PunnyName: A seraph is a type of angel in Christian mythology. Seraph is also a combination of Serph and Sera's names.
* WalkingSpoiler: Discussing their existence spoils the entire final act of the sequel.



The God of the ''Digital Devil Saga'' universe. Along with Serph Sheffield, he's the one responsible for everything that happened, particularly in the second game. After Sheffield angered Brahman, he turned the Sun black, causing Cuvier Syndrome. Most of the second game after Sera's saved is spent trying to communicate with him, which results in everyone dying. After fighting through the Solar Data of the antagonistic tribe leaders and Meganada, the party meets Brahman, who tests them as the Final Boss.

* BattleThemeMusic: "[[ Divine Identity]]", which is widely considered one of the greatest Playstation 2 SMT boss themes.
* FinalBoss: He's the last opponent of the second game.
* GodIsEvil: Not really, actually. He's responsible for Cuvier Syndrome, but this is only because Serph Sheffield was so evil that he gave up on humanity, and he's more than willing to stop it if he is defeated.
* GreaterScopeVillain: Along with Sheffield. He doesn't do much and the plot is driven by Angel and Cuvier, yet the Black Sun causes most of the problems in the second game.
* HumansAreBastards: The whole debacle with Sheffield and Sera convinced him of this, so now he's trying to wipe them out.
* MisplacedRetribution: Did Sheffield deserve the punishment God dealt him? [[LaserGuidedKarma Abso-freaking-lutely.]] Did the rest of humanity deserve to suffer for it? Probably not.
* WalkingSpoiler: His identity as Brahman is kept hidden until you fight him, though he's mentioned as "God" quite a bit in the second game.


[[folder:The Ultimate Bosses]]

!!'''The Demi-fiend'''

The ultimate opponent of the first game, only fightable on a NewGamePlus. He is the protagonist of ''VideoGame/ShinMegamiTenseiIIINocturne'', a young man empowered by Lucifer as part of a test. Due to having the body of a demon, he is able to command other demons. He sets out to see who he will side with in the post-apocalyptic Vortex World - his friends, the instigator of the apocalypse, the demons, his teacher, or even Lucifer himself. He is the only enemy in either game with no race.

* ArtificialStupidity: His biggest weakness - you can lock two of his minions into using Dekaja and Dekunda, only with Dekunda not working due to a lack of MP. It's still a luck based fight, but it makes the fight quite a bit easier.
* BadassBoast: "Death's vastness holds no peace. I come at the end of the long road. Neither human, nor devil... all bends to my will." Doubles as FamousLastWords.
* BattleThemeMusic: Notably, the BGM used is the standard random encounter theme from ''Nocturne'', rather than any of its boss themes.
* BerserkButton: Do not come into battle with any immunities, or do anything that will cause immunities, other than Null Sleep ([[NonIndicativeName which causes attacks to miss the user when they're asleep]]). Otherwise, well, see OneHitKill below.
* BraggingRightsReward: Beating the Demi-fiend gives no reward... within the first game. The trope gets subverted with a touch of OldSaveBonus as his defeat triggers the unlocking of the Karma Ring in the second game.
* BonusBoss: The last one of the first game.
* ButForMeItWasTuesday: His battle theme, the random encounter theme from ''Nocturne'', implies that the Embryon is just another group of small-fries to him. Just to rub it in further, most of the skills he uses are only mid-level skills; if he really thought you were worth caring about he would be using endgame skills like Freikugel instead.
* GuideDangIt: Simply reaching him is very unintuitive. First, you have to beat the game. Then, you have to beat Ananta on a NewGamePlus and deny Gale's request of passing the PointOfNoReturn. Then, you have to return to the Anahata basement and enter a very specific room.
* MythologyGag: Heavily implied to have the Masakados Magatama equipped due to only being able to be hit by Gun and Earth, which didn't exist in ''Nocturne'', and Almighty, which Masakados does not protect against.
* NewGamePlus: It's the only way to fight him.
* OneHitKill: Gaea Rage, which can potentially deal over 10000 damage. Since it's an [[InfinityPlusOneElement Almighty-elemental]] damage numbers skill rather than a traditional instant-kill skill, the only way to resist death is to either have a skill that provides a LastChanceHitPoint (which will just prompt him to use Gaea Rage ''again'') or the aforementioned Null Sleep.
* OrWasItADream: The basic premise of the fight.
* PreviousPlayerCharacterCameo: As the protagonist of ''Nocturne''.
* SNKBoss: Always fights with two minions, has the highest amount of health in the first game, gets a total of four turns between him and his minions, will one hit kill the party if they have moves he doesn't like, and the only way to survive said one hit kill requires a specific skill and a lot of luck.
* ThereIsNoKillLikeOverkill: Gaea Rage. Inflicts four or even ''five'' digits of damage to the whole party in a game where playable characters have a {{cap}} of 999 HP.


The ultimate opponent of the second game's Hard Mode and one of the main antagonists or allies of the endgame of ''VideoGame/ShinMegamiTenseiII''. Widely known as YHVH's ultimate weapon, Satan was once divided into two halves: the Egyptian god Seth and a human named Zayin. When they fused to become Satan, Satan set out to eradicate all life on Earth under the orders of YHVH. Depending on Aleph's actions, he could become the penultimate opponent Aleph faced or Aleph's greatest ally in defeating Lucifer and, ultimately, YHVH. The Satan encountered as Solar Data in the Sun seems to be the Solar Data of a human infected with the Demon Virus who became the Satan from ''II''. He seeks to judge Seraph for disagreeing with Brahman, who Satan believes to be YHVH, hinting that this Satan comes from either the Neutral or Chaos routes of ''II''.

* BarrierChangeBoss: He has four sets of affinities which switch between turns.
* BonusBoss: The last one of the second game.
* BraggingRightsReward: Subverted and {{justified}}. You get absolutely nothing for beating him, unlike the Demi-fiend, who triggers the flag for a Karma Ring in the second game upon defeat. Justified because he is by far the strongest boss in DDS2 and there is really nothing coming after him, so there's also no reason to keep transferring data.
* TheDragon: A self-styled one to Brahman, who he believes to be YHVH.
* FamousLastWords: Taken straight from ''II'': "What do you intend to accomplish by avoiding...God's justice? Where will you go...?"
* {{Foreshadowing}}: The penultimate Bonus Boss is Seth, who makes vague allusions to the events of ''II''. Further beyond him awaits Satan.
* HardModePerks: The entire fight is one.
* LegacyBossBattle: Represents ''II'' along with the Archangels and the previously unfought Seth. His fight is filled with references to the game, from his pre and post-boss speeches to a predictable single target one hit kill.
* MarathonBoss: Most successful attempts take half an hour.
* OneHitKill: God's Breath, which he uses every four turns if the party isn't fully buffed, and Retribution, which he uses in later phases to the party member with the lowest Magic stat.
* PuzzleBoss: This is the main difference between the Demi-fiend and Satan. While the Demi-fiend attempts to use brute force, Satan is much more calculating, having two types of form shifts (one based on turn number and one based on HP), only one-shotting the party if they're not fully buffed by the end of every four turns, requiring one party member to have a lower Magic stat than the other two members for his other One Hit Kill, and using Diarahan if he falls under 1500 HP.
* SNKBoss: His 30000 HP is the highest in either game, he's a massive puzzle, uses every element, can eliminate any unnatural elemental resistances, can inflict Charm without fail, has two types of One Hit Kills, and can use Diarahan to fully heal himself.