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Characters / High School DD: Devils

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All spoilers regarding the first four story arcs (volumes 1-20) are unmarked. Examples pertaining to the fifth story arc and Shin High School D×D can be spoiler tagged if necessary.

This page details the supporting characters affiliated with the Devil faction in High School D×D.

Main Index | Occult Research Club | Issei Hyoudou | Issei's Peerage | The Student Council | Devils | Angels and Fallen Angels | Vali Team | The Khaos Brigade | Mythologies | Dragons | SLASHDØG | Other Characters


One of the three Main Factions alongside the Angels and Fallen Angels, the Devils consist of the 72 Pillars of High-Class Devil noble families, the Extra Demons and the countless armies under them. When the original Four Great Satans died in the Great War, their descendants were met with opposition by other devils in wanting to continue the Great War and a civil war erupted. The original descendants lost and a new government was placed with Sirzechs Gremory, Serafall Sitri, Ajuka Astaroth and Falbium Glasya-Labolas becoming the new Four Great Satans.

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The Four Great Satans

    In General 

  • Ass-Kicking Pose: As the Satan Rangers.
  • Asskicking Equals Authority: Sirzechs and Ajuka earned their position specifically because they were too powerful to reasonably settle for anything less.
  • Authority Equals Asskicking: They've all earned their credentials to be the Four Lords of Hell by kicking ass and taking names.
  • Badass in Charge: Everyone of them, but the most notable one is Sirzechs.
  • Barrier Maiden: Volume 21 and EX reveal that, except :Ajuka, the Satans and their peerage (minus their Queen) along with the rest of the Alliance leaders are forced to seal Trihexa and suppress its power inside that seal for God knows how many years, but at the most at least ten thousand.
  • Bunny-Ears Lawyer: Issei even wonders how all four of them can even run Hell's affairs.
  • Four-Temperament Ensemble: Sirzechs (Choleric), Serafall (Sanguine), Ajuka (Melancholic), and Falbium (Phlegmatic).
  • Heroic Sacrifice: A non-lethal example, but Sirzechs, Serafall and Falbium and their peerages minus their Queens, as well as the rest of the Alliance leaders use their powers to trap both Trihexa and themselves into the Isolation Barrier Field, halting Trihexa's rampage.
  • Large Ham: When acting as the Satan Rangers but especially Sirzechs and Serafall.
  • Last of His Kind: A non-fatal example. As of the end of volume 21, Ajuka seems to be the only member of the current Four Great Satans left.
  • Names to Run Away from Really Fast: All of their last names are shared by the seventy-two demons of the Goetia.
  • Paper-Thin Disguise/Master of Disguise: Issei's not fooled with how all five of them are acting as the Satan Rangers, so he's the former. Rias genuinely doesn't know that those five are her brother, her sister-in-law, and the other three lords of Hell.
  • Satan: Its only in Title since they are not the original Satans.
  • Suspiciously Similar Substitute: The original four Great Satans died in the Great War along with God, the four current Satans are just their replacements. With Ajuka the only Satan left after the others seal themselves with Trihexa and the plans to eventually create the a Seven Satan system as of Volume 21 which has become a reality by the EX timeline, this is no longer the case.
  • There Is No Kill Like Overkill: All four plus Grayfia in a Sentai suit shot down an evil spirit. It tore the the entire sky and ripped open a new dimension.

    Sirzechs Lucifer 

Sirzechs Lucifer, born Sirzechs Gremory
Voiced by: Junichi Suwabe (Japanese) and Alex Organ (English)

The son of Zeoticus and Venelana Gremory and older brother of Rias Gremory. He is one of the Four Great Satans, bearing Lucifer's name.

  • Action Dad: Being a father to Millicas hasn't slowed him down when fighting with devils as well as dragons.
  • All-Encompassing Mantle: When he appears in the anime. Guy's got style.
  • Ambadassador: He's known for his diplomacy skills, like negotiating a peace treaty between the Three Factions with Azazel, and as a powerful warrior who can go toe-to-toe with his rivals.
  • Badass Baritone: Provided by both Junichi Suwabe and Alex Organ.
  • Badass Pacifist: Would prefer peace talks instead of fighting, but if push comes to shove, he will vaporize you.
  • Beware the Nice Ones: He may be a nice person and a Badass Pacifist to boot, but if you push him far enough, he will be prepared to turn you into dust.
  • Big Damn Heroes: At the end of Volume 2, he organizes an Engagement Challenge for Issei to beat Riser.
  • Boke and Tsukkomi Routine: The boke to Grafyia's tsukkomi.
  • Cassandra Truth: Grayfia refutes Sirzechs's statements that she's his wife, but it later turns out to be true.
  • Chivalrous Pervert: Considering he's the one who made the suggestion to Issei to use "Gift" on Rias's breasts...
  • Dating Catwoman: Back in the day, him and Grayfia were enemies because he was from the new generation devils and Grayfia was a servant of the original Lucifer.
  • Eldritch Abomination: What the true form of his Power of Destruction looks like. This was enough to scare Hades, the god of the dead.
  • Famed in Story: His romance with Grayfia became a popular story among other Devils to the point where it was made into a film.
  • Shapeshifter: He can change into a cat if he wishes. This is how he met and made Souji his Knight.
  • Shipper on Deck: He fervidly ships Issei with Rias, to the point that when Issei declared in a political meeting that he wanted peace so he can have sex with Rias all the time he tried his best not to laugh instead of giving Issei an angry grimace.
  • Shout-Out Theme Naming: Sizechs' name is derived from two characters from the Gundam franchise: Char Aznable from Mobile Suit Gundam and Zechs Merquise from Mobile Suit Gundam Wing.
  • Spanner Inthe Works: Sirzechs is the one who is responsible for having Issei infiltrate Riser's engagement party and challenge him to a duel.
  • Strong Family Resemblance: Sirzechs greatly resembles his father and sister, right down to the eyes and the red hair.
  • Switching P.O.V.: The light novel only shows us the conversation between Lord Phenex and Lord Gremory after Issei defeats Riser while Sirzechs went away. In the anime, it shows his and Grayfia's perspective on the reason why he handed out the griffon to Issei and his thoughts on the Welsh Dragon joining the devil faction.
  • Tranquil Fury: You do not want to piss this guy off at all.

    Serafall Leviathan 

Serafall Leviathan, born Serafall Sitri
Voiced by: Ai Shimizu (Japanese) and Tia Ballardnote  (English)

The older sister of Sona and also one of the Four Great Satans. She's also in charge of foreign affairs.

  • Action Girl: Her reaction towards Bandersnatches invading the Underworld? "A spear that can kill a god? Screw that, I'm going!" And she freezes a Bandersnatch right after that.
  • Ambadassador: Along with Sirzechs, she's also known for her negotiating skills, as shown when she speaks with the youkai in volume 9.
  • Beware the Nice Ones: She is a very nice girl, but if you push her far enough, she will fight you to the death.
  • Big Sister Instinct: Threaten or harm Sona near her and she will murder them.
  • Cosplay: She poses as a Magical Girl.
  • Cry Cute: In one of the BorN Specials, she gets this look after Sona refuses to help her try on a blue Cosplay outfit, though it doesn't last long.
  • Disproportionate Retribution: Not invited to the school observation? She'll just wage war on Heaven to blow off steam.
  • Genki Girl: Fits this to a T, perpetually cosplaying as a Magical Girl.
  • Girl-on-Girl Is Hot: Her introduction in the anime has her saying she wouldn't mind having sweet hot sex with Sona, her sister. In her own words, some Onee-sama! So-chan! yuri yuri action.
  • Girlish Pigtails: Goes along with the Magical Girl outfit, and shows her immaturity in comparison to her younger sister.
  • The Glomp: She does this towards her younger sister Sona.
  • An Ice Person: Her specialty amongst her water-manipulating family.
  • Incest Subtext: If you can call Serafall proclaiming reuniting and embracing in a "yuri" way subtle. Especially when done in school and in front of others.
  • Making a Splash: Just like her sister, she can manipulate her water powers.
  • Martial Pacifist: She would prefer talking out of a situation rather than fighting if it's necessary.

    Ajuka Beelzebub 

Ajuka Beelzebub, born Ajuka Astaroth
Voiced by: Junichi Yanagita (Japanese) and Jerry Jewell (English)

The Genius who laid the foundations of the Rating Game and Evil Piece systems. Also likes to give out a mysterious feeling because it's cool.


    Falbium Asmodeus 

Falbium Asmodeus, born Falbium Glasya-Labolas

Considered as the military genius but hardly does any work and just passes his work to either his servants or to other people.

The Gremory Family

    In General 

Tropes relating to all of them:

  • Badass Family: Zeoticus and Venelana are two of the strongest devils of their respective clans. Their son Sirzechs is one of the Four Great Satans and their daughter Rias is the leader of the Occult Research Club and serves as King in her peerage. Sirzechs's son Millicas is a young devil will eventually succeed his grandfather as head of the Gremory Family.
  • It Runs in the Family: Sirzechs and Rias inherited Venelana's Power of Destruction. The Gremory Family is also known for being extremely affectionate toward their servants.
  • Names to Run Away from Really Fast: Their last name, Gremory, is shared by the seventy-two demons of the Goetia.
  • Red Is Heroic: All of the Gremory family members sport red hair, except for Venelana and Grayfia.
  • Something About a Rose: The clan's symbol consists of a red rose encased in a circle.

    Zeoticus Gremory 

Duke Zeoticus Gremory
Voiced by: Show Hayami (Japanese) and Andrew Chandler (English)

The father of Rias Gremory and Sirzechs Lucifer, husband of Venelana Gremory, and paternal grandfather of Millicas Gremory, Zeoticus is the head of his family.

  • The Archmage: Not in the level of Azi Dahaka (which was appropriately feared by the Gremorys in general), Zeoticus is said to be able to use many different forms of magic.
  • Badass Baritone: Provided by both Show Hayami in Japanese and Andrew Chandler in English.
  • Badass Beard: He sports a small red goatee on his chin.
  • Chef of Iron: Zeoticus can cook very well.
  • Easily Forgiven: Riser's father forgives him for having Rias break off her engagement.
  • Good Parents: He loves Sirzechs and Rias very much, given his and Sirzechs's reactions to Rias as an infant and how much Zeoticus cares for her well-being.
  • Happily Married: He is happily married to his wife Venelana.
  • Henpecked Husband: Venelana can strike absolute fear into to him when he does something that angers her.
  • My God, What Have I Done?: Zeoticus has one of these moments when he realizes that he went too far in forcing his beliefs onto Rias such as having an Arranged Marriage between her and Riser, as shown when he apologizes to the latter's father for nullifying the engagement.
  • Nice Guy: He's one of the friendliest devils that you would ever want to meet.
  • Only One Name: Was only referred to as Lord Gremory until his first name was revealed in Volume 21.
  • Perma-Stubble: His chin has a small red beard.
  • Reasonable Authority Figure: He's willing to listen to his children's suggestions such as Rias advising him not to include too many maids when renovating Issei's house as well as letting her choose Issei as her fiancé.
  • Red Is Heroic: Like his children, Zeoticus has red hair.
  • Shout-Out Theme Naming: Ichiei Ishibumi named Zeoticus after Zeon Daikun from Mobile Suit Gundam and Marticus Rex from Mobile Suit Gundam Wing.

    Venelana Gremory 

Duchess Venelana Gremory, née Bael
Voiced by: Mari Shiraishi (Japanese, 2015), Mikako Takahashi (Japanese, 2018-present) and Monica Rial (English)

Venelana is the wife of Duke Zeoticus Gremory, mother of Rias Gremory and Sirzechs Lucifer, and paternal grandmother of Millicas Gremory who comes from the House of Bael. She is also known by her sobriquet, Brunette Madame the Extinct.

  • Early-Bird Cameo: She makes an appearance (albeit with unspoken lines) in chapter 21 of the manga. She doesn't make her actual appearance until Volume 5 of the novels.
  • Generation Xerox: She looks just like her daughter except with shorter brown hair.
  • Good Parents: She is a loving mother to Sirzechs and Rias, as well as a grandmother to Millicas Gremory.
  • Happily Married: She and Zeoticus are content to live together as devils.
  • Meaningful Name: Venelana appears to come from "veneratus", which means "revered" in Latin. She's highly regarded as a powerful fighter and duchess of her family.
  • Mum Looks Like a Sister: Venelana's looks can be easily mistaken for Rias's sister, which Issei initially assumed was the case.
  • Older Than They Look: Even though she is much older than her daughter (who is 17 at the beginning of the series), Venelana is still quite an attractive lady.
  • Purple Is Powerful: She is the strongest devil in her clan and her eyes are purple.
  • Red Baron: She is known to everyone as "Brunette Madame the Extinct."
  • Really 700 Years Old: Although she looks like a young lady, Venelana is actually is over 100 years old.
  • Shipper on Deck: She ships her daughter to Issei.
  • Spell My Name with an "S": In Funimation's dub of the anime, her first name is rendered as Venerana.
  • Top Wife: To really set in the Generation Xerox, she is this to her husband's unseen harem. She cemented her position by not only being the formal wife of Zeoticus, but also being the only one to have children.
  • World's Best Warrior: She was considered the strongest devil in the House of Bael.

    Rias Gremory 

Princess Rias Gremory

See her entry on the Occult Research Club page.

    Millicas Gremory 

Millicas Gremory
Voiced by: Ari Ozawa (Japanese) and Mikaela Krantz (English)

The son of Sirzechs Lucifer and Grayfia Lucifuge, grandson of Zeoticus and Venelana Gremory and nephew of Rias Gremory, Millicas serves as the family's next-in-line.

  • Brutal Honesty: Flat-out admitting to Sirzechs that he prefers the Oppai Dragon over Satan Red? Ouch.
  • Curtains Match the Window: Red hair and red eyes.
  • Disappeared Dad: His father vanished when he sealed himself inside the Isolation Barrier Field to fight Trihexa.
  • Establishing Character Moment: Millicas is introduced reuniting with Rias and introducing himself to the group, before running to his grandmother Venelana afterwards.
  • Foregone Conclusion: He becomes the head of the Gremory clan by the time EX rolls around.
  • Future Badass: He becomes a Super Devil in the future along with succeding the Gremory House.
  • Like Father, Like Son: Like his father and grandfather before him, he has red hair. Like his grandmother, his mother and his aunt, Millicas inherits her Power of Destruction.
  • Pint-Sized Powerhouse: Has enough demonic power to give even Issei and Kiba a run for their money. Well, at least until they stopped holding back.
  • Royalty Super Power: Inherited his father and aunt's Power of Destruction.
  • Shout-Out Theme Naming: Millicas' name is derived from the names of two characters from the Gundam TV series, Milliardo Peacecraft of Mobile Suit Gundam Wing and Casval Rem Deikun of Mobile Suit Gundam.
    • Interestingly enough, the names used for Millicas' name is the real name of the characters used for his father's.
  • Strong Family Resemblance: He resembles his father Sirzechs, his grandfather Zeoticus as well as his aunt Rias.
  • Someone to Remember Him By: After Sirzechs seals himself to suppress Trihexa, Millicas becomes this to Grayfia.
  • Wise Beyond Their Years: Gave Xenovia a long lecture on how to use her Ex-Durandal's powers (to Kiba's joy to the point of crying Manly Tears) and is even thinking about which members he wants in his peerage.
  • The Wise Prince: Justified since his parents are the rulers of Hell.

    Grayfia Lucifuge 

Grayfia Lucifuge
Voiced by: Saori Seto (Japanese), Krishna Smitha (English; 2013-2014) and Megan Shipman (English; 2015-present)

The head maid, Queen and wife of Sirzechs Lucifer, and mother of Millicas Gremory, Grayfia of the most powerful characters in Hell.

  • Action Mom: Even after having Millicas, her motherhood hasn't slowed her down whenever she engages in battle with other devils.
  • Armor-Piercing Slap: She often whacks Sirzechs around when he's being immature, and he claimed that he nearly died trying to record her sleeping like he did with Rias. While Grayfia is noted to have Satan-level strength, Sirzechs is a Super Devil who can make top-tier gods wary.
  • Boke and Tsukkomi Routine: Always the tsukkomi whenever Sirzechs does something outrageous.
  • Braids of Action: She's a very powerful devil who wears her hair in braids.
  • Cain and Abel: She's the older Abel while her younger brother Euclid is the younger Cain.
  • Cool Big Sis: To Rias, the stern type.
  • Cool Mask: Wears a red dragon mask as Bina Lessthan.
  • The Comically Serious: Anytime she starts to appear, there will be hilarity. Must be why Issei defers to her greatly.
  • Curtains Match the Window: In the first three seasons of the anime, she has silver eyes instead of red.
  • Defector from Decadence: After meeting Sirzechs during the conflict between the Old Satan and Anti Satan Factions, Grayfia defects from the Old Satan Faction and eventually marries him.
  • The Dreaded: She can make Sirzechs's entire peerage scared just by showing up. One of them happens to be a giant that can breathe fire! Even Sirzechs himself is afraid of getting on her bad side, despite being much more powerful.
  • Establishing Character Moment: Her introductory scene is to suddenly appear at Issei's house to lecture Rias for attempting to break off her engagement to Riser. She also helps pick up Rias's clothes for her.
  • Famed in Story: Her romance with Sirzechs became a popular story among other Devils to the point where it was made into a film.
  • Foreshadowing: Her In Vino Veritas moment with Issei? The one where she mentions her family? It's going to be one of the main highlights of the 14th Volume, specifically her brother.
  • Game Face: When a gigantic Issei tells her that he's got a plan but needs her and the entire servants of Sirzechs's help, she puts this face on.
  • Good Parents: She loves Millicas dearly even if she is Sirzechs's wife and Queen of his peerage.
  • Happily Married: She marries Sirzechs after fighting the Old Satan and Anti Satan Factions.
  • Heroic Safe Mode: She has not been well emotionally since Sirzech and the rest of his peerage sealed themselves within Trihexa, leaving her behind. Her reason for helping Issei as his queen for the Azazel Cup so that he can reach Maou status, as Sirzech wanted, which becomes her primary focus. She finally breaks down during her fight against Rias.
  • House Wife: She's very much the maid of her husband's family.
  • In Vino Veritas: In the Hot Springs short story, it is revealed her personality switches under the influence of alcohol, primarily she becomes a bit of a troublemaker.
  • Lady of War: She's regarded as Satan-level in power, even considered for the title of Leviathan, and she's much more reserved than the current one.
  • Meaningful Name:
    • Her last name, Lucifuge, is taken from Lucifuge Rofocale, a demon who is Lucifer's right-hand man. Given her family history of serving the original Lucifer and her service to Sirzechs, the current Lucifer, it's only natural.
    • The first name of her alias in the Azazel cup, "Bina" means "double" in Italian. Referring to her using a double persona.
  • Meido: She is the Gremory household's maid and wears the appropriate attire for it (a French maid uniform in this case).
  • Mystical White Hair: Grayfia sports silver hair.
  • Not So Different: Remember when Sirzechs wants to be called "Onii-chan" by Issei and she whacks him with a paper fan? In a Hot Springs Episode, she's alright with Issei calling her "Ane (elder sister)" at private times.
  • Not So Stoic: As soon as she becomes Rias's sister, she'll sternly lecture Rias for a very long time. Not to mention, she'll release an aura so powerful, everyone in the room feels like they're going to die.
  • Older Alter Ego: Inverted. Using her demonic power she turned herself into what she looked like as a teenager and called herself Bina Lessthan to act as Issei's Queen for the Azazel Cup.
  • Only Sane Woman: Whenever she joins in the antics of the Four Great Satans. And even then, sometimes she's weird seeing as she suggested to Rias to let Issei touch her breasts to power up.
  • Paper Fan of Doom: Whips it out whenever Sirzechs says something stupid.
  • Rapunzel Hair: Even without her braids, Grayfia's silver hair goes down to her back.
  • Red Baron: She is known by everyone as "The Ultimate Queen".
  • Red Eyes, Take Warning: She has red eyes (except in the first three seasons of the anime) and is one of the most powerful devils in the series and is able to strike fear in strong devils such as Riser and even her husband, Sirzechs.
  • The Rival: To Serafall back in the day for the title of Leviathan.
  • Shout-Out Theme Naming: Her given name comes from the Japanese names for Glaceon and Leafon.
  • Statuesque Stunner: She stands at 5'8" according to official material.
  • The Stoic: In head-maid mode. Nothing phases her even if Sirzechs does something stupid. Even Issei coming back to life as a giant garnered little more reaction than if he'd just returned home.
  • Straight Woman: Pretty much the only normal person in the Gremory household (alongside Venelana) and among the Satan Rangers, to which the others set up the punchline. That is, if she isn't drunk.
  • Switching P.O.V.: The light novel only shows us the conversation between Lord Phenex and Lord Gremory after Issei defeats Riser while Sirzechs and Grayfia went away. In the anime, it shows hers and Sirzechs's perspective on the reason why the latter handed out the griffin to Issei and the latter's thoughts on the Welsh Dragon joining the devil group while Grayfia notes that he's happy about it. It probably reminded them of their circumstances back then.
  • The Tease: The catch? She has to be drunk.

    Sirzechs's Peerage 

Sirzechs Lucifer's Peerage


A Qilin who is Sirzechs's Pawn.

Okita Souji

One of the founding members of the Shinsengumi who has been reincarnated into Sirzechs's Knight. He is also Kiba's swordmaster.

Samuel Liddell MacGregor Mathers

Sirzechs's Bishop who knows a lot about magic.

Surtr Second

Sirzechs's Rook which he had to use a Mutation Piece.


A descendant of Beowulf who became Sirzechs's other Pawn due to him losing against Sirzechs.

Glowing Fish of the Deep Sea Bahamut

Sirzechs other Rook who has been mentioned in the afterword of Volume 8.

  • The Ghost: So far, aside from comments of the Lucifer group who apparently was more useful than Surtr Second.

Phenex Family

    In General 

Tropes relating to them:

  • Good Thing You Can Heal: The family can heal injuries almost instantaneously.
  • Healing Factor: The Phenex family is able to heal themselves given their immortality.
  • Hot Wings: They have flaming wings in place of bat wings like other devils.
  • Meaningful Name: Marqius Phenex in the Ars Goetia is described to have the appearance of the immortal bird, Phoenix, and the Phenex Family share the same motif and abilities as the Phoenix.
  • Names to Run Away from Really Fast: Phenex shares the same name as one of the seventy-two demons of the Goetia.
  • Spell My Name with an "S": Inverted. The original uses the Phenex spelling, keeping with the Ars Goetia motif of the 72 Pillars. Funimation's adaptation use the Phoenix spelling, which doesn't help much since both words use the same katakana note .
    • Then again according to The Other Wiki, Phoenix is an alternative spelling for Phenex.
  • Playing with Fire: The family can control fire at will.

    Riser Phenex 

Riser Phenex
Voiced by: Takehito Koyasu (Japanese) and Christopher Corey Smith (English)

Rias's former fiance and the third son of the House of Phenex.

  • Arch-Enemy: He quickly becomes Issei's biggest enemy in Volume 2 when he kisses one of his servants in front of the Occult Research Club and tries to steal Rias away for their Arranged Marriage planned out by their families. This is later averted as they become friendly rivals.
  • Arranged Marriage: He and Rias became engaged because of an agreement between their families, in an attempt to preserve the bloodline of Pure-Blooded Devils.
  • Authority Equals Asskicking: He's the leader of his own peerage and a badass fighter to boot.
  • Big Bad: He is the main antagonist of Volume 2.
  • Big Brother Instinct: It's shown that he deeply loves Ravel to the point that he's willing to have Issei look after her for his sake.
  • Black Sheep: Riser is the only member of his family who has an arrogant personality, unlike his well-mannered siblings and parents. Well, until the aftermath of his duel with Issei, at least...
  • Brother–Sister Incest: The reason why Ravel was a part of his peerage was that he wanted a "little sister-type" girl in his harem, though he denies having a sister complex.
  • The Bus Came Back: He's completely absent following his defeat at the hands of Issei until the side-story "The Resurrected Immortal Bird", where Issei brings him back out of his Heroic BSoD.
  • Break the Haughty: After losing the Engagement Challenge, he comes around to treat the protagonists with more respect. By the time of Issei's "death", he comes around to offer his sincere condolences.
  • Character Exaggeration: While Riser's a Jerk with a Heart of Gold to begin with, his jerkassery in the anime version is significantly exaggerated.
  • Disposable Fiancé: He was Rias's fiancé before Issei defeated him and annulled his marriage to Rias.
  • Engagement Challenge: He fights Issei during Rias's engagement party in the finale of Volume 2.
  • Facial Horror: At the end of Volume 2, Issei uses holy water and his Boosted Gear to burn Riser's face. He gets better.
  • Fatal Flaw: His pride ends up causing his defeat at the hands of Issei at the end of Volume 2.
  • Final Boss: He becomes the final threat Issei and the Occult Research Club take on in the first story arc.
  • Foil: He can be considered one for Issei. One is an Ordinary High-School Student while the other is a Born Winner; Issei wants a harem while Riser already has one; and Issei is deeply respectful of Rias while Riser treats her like a trophy to be won.
  • Graceful Loser: He forgives Issei for his actions in cancelling his marriage with Rias, but he won't forgive him if he tries to make any unforgivable moves on his sister.
  • Heroic BSoD: He sulks in his room after Issei defeats him in his engagement party.
  • How the Mighty Have Fallen: After being defeated by Issei in volume 2, Riser temporarily becomes a broken man. It's even lampshaded by Ravel when Issei inquires her about him.
  • If You Ever Do Anything to Hurt Her...: He promised to burn Issei to a crisp, if he harmed Ravel in any way.
  • Immortality: His main strong point is that he can't be killed. As you can imagine that is enough to get through most enemies.
  • Irony: When he's first introduced, he is engaged to Rias and taunts Issei to the point that he beats the latter up in the Rating Game to force Rias to surrender. But he doesn't get the girl thanks to Issei winning his Engagement Challenge. Even better, Riser views Issei as a Worthy Opponent and respects his wishes to have his own harem.
  • Jerk with a Heart of Gold: Despite being a jerk to Issei and making unwanted advances towards Rias to the point that she challenges him to a Rating Game, he's one of the good guys who respect Issei as his Worthy Opponent. He also loves his sister Ravel enough to threaten Issei into taking care of her properly.
  • Kick the Dog: He kisses Yubelluna in front of Issei and makes unwanted advances towards Rias in Volume 2 to pile misery on both the latter and Issei.
  • Large and in Charge: He's 180 cm/5'11" tall and is the leader of his peerage.
  • Laser-Guided Karma: By the end of Volume 2, Riser beats up Issei in the Rating Game and attempts to steal Rias away. Then, Issei soundly defeats Riser at the end of their Engagement Challenge and gets Rias back from him.
  • Lovable Sex Maniac: Though the "lovable" part is up for debate, Riser has an all-female peerage and wants to see both Rias's and Akeno's breasts.
  • Meaningful Name: Riser is derived from "rise/rising", given his prominence as the leader of his peerage.
  • Noble Male, Roguish Male: With Ruval, he is the latter.
  • Old Flame: He and Rias were going to be engaged at some point before the story began. Eventually, Rias would become Issei's girlfriend in the aftermath of the latter's Engagement Challenge.
  • Pet the Dog: Despite the fact that he still acts like a jerk towards Rias and still kissed his servants in front the group to provoke Issei, he actually gave a lot of good advice to Rias and told Issei that if Issei is defeated, it is a blow to Rias. Not to mention, he's the one who gave Rias a handicap and told her that their Rating Game will take place in 10 days and tells her that if she wants to do it now, he knows he'll curb-stomp them.
  • Playing with Fire: As with most of the Phenex family, he can burn enemies with fire.
  • Pride Before a Fall: He starts off as an arrogant jerk who is Rias's fiancé. Said arrogance ends up being his undoing by the end of Volume 2, and he begins to respect Issei and his allies after his defeat.
  • Shipper on Deck: Ships Ravel and Issei even jokingly referring to Issei as Ravel's future husband, much to her annoyance.
  • Shout-Out Theme Naming: He is named after the 00 Raiser from Gundam 00.
  • Spell My Name with an "S": His first name is often translated as either "Raiser" or "Riser", and his last name can be both "Phenex" and "Phoenix".
  • Third-Person Person: He speaks in this manner in Funimation's dub of the first season.
  • Took a Level in Kindness: He offers his condolences to the Occult Research Club when Issei "died" at the beginning of Volume 12.
  • To the Pain: In the anime, he loudly gloats that he can mortally wound Issei during a ratings game to bypass the safeguards and get away scot-free. He seems to have only said it to twist Rias's arm into surrendering. When he has a chance to outright kill Issei during their fight, he announces he'll just put Issei in a coma.
  • Training from Hell: He gets subjected to this by Issei and Tannin to do this in the same mountains that Issei trained at.
  • Trauma Button: Whenever he sees Issei or any dragon, Riser freezes in shock. Given how he was defeated by Issei back in volume 2, this is understandable.
  • Underestimating Badassery: He makes the mistake of underestimating how strong Issei is when they first meet. By the end of volume 2, Issei uses his Boosted Gear to avoid Riser's attacks, burn his face and punch him in the stomach to knock him out.
  • Unstoppable Rage: Riser loses it when Issei uses holy water to burn his face towards the end of Volume 2, unfortunately for him, it is pointless as Issei still defeats him regardless.
  • Worthy Opponent: He views Issei as this when he is finally healed from his dragon trauma.
  • Why Did It Have to Be Snakes?: After Issei defeats him in volume 2, Riser suffers from dracophobia (fear of dragons), at least until Issei snaps him out of it in his side-story.

    Ravel Phenex 

Ravel Phenex

See her entry on the Occult Research Club page.

    Ruval Phenex 

Ruval Phenex

The eldest son of the House of Phenex and heir to the house.

    Lady Phenex 

Lady Phenex

Voiced by: Mie Sonozaki (Japanese) and Caitlin Glass (English)

The mother of the Phenex siblings.

    Riser's Peerage 

Riser Phenex's Peerage
Voiced by:Click to Expand 
A joint character profile for all of Riser's servants. In total, he has one Queen (Yubelluna), two Knights (Karlamine and Siris), two Bishops (Mihae and one unknown member - formerly Ravel) two Rooks (Isabela and Xuelan), and eight Pawns (Ile & Nel, Ni & Li, Marion, Bülent, Shuriya and Mira).

  • Sailor Fuku: Ni and Li wear a Stripperiffic version.
  • Samurai: In asthetics. Karlamine's armor is a mix of this and a European knight's, and she wields a broadsword instead of a katana.
  • Simple Staff: Mira wields a basic staff.
  • She-Fu: Xuelan uses Kung Fu-style techniques when fighting.
  • She's Got Legs: Xuelan fights using her legs.
  • Stuff Blowing Up: Yubelluna's magic works like this, which gave her her embarrassing nickname.
  • Underestimating Badassery: Like their master, quite a lot of them were quite cocky during their matches with Rias' Peerage, unfortunately they are defeated with extreme efficiency
  • Vapor Wear: Xuelan is absolutely naked under her Qipao.
  • Villain Forgot to Level Grind: One side story has a rematch between Rias' now completed peerage and Riser's. Having been through several life-and-death battles after their initial match, the Club utterly trounces Riser's peerage... with the exception of Riser himself, whose training with Sairaorg allowed him to at least put up a good fight with Issei before losing.
  • The Voiceless: The only time we hear Mihae is when she gets Impaled with Extreme Prejudice by Yuto's enhanced Sword Birth.
  • What Happened to the Mouse?: Siris is notably absent during the rematch between Rias and Riser, for unknown reasons.
  • Who Wears Short Shorts?: In the manga, Isabela does at her master's engagement party.
  • Worthy Opponent: Isabela seems to really think highly of Issei after he defeats her. In fact, she constantly goes on about bragging about her story of fighting Issei.

Bael Family

    In General 

Bael Family

One of the 33 remaining devil families of the 72 Pillars, the Bael family is the highest-ranking among the pillars. They boast a proud warrior culture.

    Sairaorg Bael 

Sairaorg Bael
Voiced by: Yuuichi Nakamura (Japanese) and Marcus D. Stimac (English)

The son of Lord Bael and Misla Bael, Sairaorg is the heir to the clan. Exiled from his home after he was unable to inherit his family's Power of Destruction, Sairaorg trained himself to the point that he can fight off anybody as one of the strongest devils. His wish is to become one of the Four Lords of Hell.

  • Badass Normal: All he has is just pure physical power and nothing else seeing as he doesn't have Power of Destruction. And yet he's kicked everybody's ass.
  • Badass Teacher: Gets a chance to be a special guest lecturer at the Auros Academy. Also, it is heavily implied that he trained Airi, Asia's daughter to be a formidable Barefisted Monk.
  • The Beastmaster: He inherited the special ability exclusive only to the Vapula clan from his mother side to tame Lions. It's because of this trait he was able to gain control of the Longinus sacred gear "Regulus Nemea".
  • Black Sheep: Because Sairaorg was unable to inherit his family's abilities, he was banished from his home.
  • Cast from Lifespan: To use Breakdown the Beast against Bedeze Abaddon, he sacrificed some of his life showed by him splitting up some blood.
  • Charles Atlas Superpower: Lacking the Power of Destruction, he instead trained his body and his fists, to the point where every punch is a Megaton Punch.
  • Power Limiter: Limits himself to just be able to have a good fight with his opponents. Doesn't matter anyway.
  • Red Baron: Imperial Purpure (Kanji reads as Purple Gold Lion King).
  • Self-Made Man: Lost his position in the Bael line of succession due to being born without special powers, and what did he do? Gain everyone's respect the hard way by undergoing intensive training.
  • Shipper on Deck: Much like Sirzechs, he ships Issei/Rias, to the point of even saying that Issei would flat-out refuse to die if he didn't first have sex with her.
  • So Proud of You: When his mom finally wakes up from a coma, she says she's proud of him, causing him to shed a Single Tear.
  • Training from Hell: Subjected himself to one so he can become stronger.
  • Worthy Opponent: Sees Issei as this seeing as he's wanting to fight one of the two Heavenly Dragons.

    Sairaorg's Peerage 

Voiced by: Kohei Amasaki (Japanese) and Dallas Reid (English)

Sairaorg's Pawn. In reality, he is the Sacred Gear "Regulus Nemea", which Sairaorg picked up after its host died.

Kuisha Abaddon
Voiced by: Yuka Nukui (Japanese) and Emily Neves (English)

Sairaorg's Queen from the House of Abaddon, one of the families of the Extra Demons.

  • Attack Reflector: Her Power of Hole allows her to create portals. She can use these to redirect her opponent's energy attacks anywhere she wants. She used this to defeat Akeno in their match in the Rating Game scoring the first victory for Team Bael.
  • Bare Your Midriff: The anime shows her shirt exposes her belly.
  • Meaningful Name: Kuisha is the Swahili word for "ended", referring to the angel Abaddon in original myth.
  • Tactical Withdrawal: Sairaorg retires her before an enraged Issei’s attack can hit because it would have killed her outright.
  • Thinking Up Portals: Her family's Power of Hole.

Coriana Andrealphus
Voiced by: Nanako Mori (Japanese) and Kristen McGuire (English)

Sairaorg's Bishop from the House of Andrealphus.

Misteeta Sabnock

Voiced by: Shizuka Ishigami (Japanese) and Dawn M. Bennett (English)

Sairaorg's Bishop from the House of Sabnock.

  • Did Not See That Coming: He's taken completely by surprise when Gasper undoes his Trick Vanish before they can defeat Xenovia.
  • Power Nullifier: His Sacred Gear Trick Vanish allows him to temporarily shut off his opponent's abilities, at the cost of considerable stamina.
  • You Gotta Have Blue Hair: Turquoise in his case.

Liban Crocell

Voiced by: Haruki Ishiya (Japanese) and Daman Mills (English)

Sairaorg's Knight from the House of Crocell.

  • Gravity Master: His Sacred Gear, "Gravity Jail".
  • Logical Weakness: Much like in Gasper's case, he needs to see for his powers to work. Luckily he knows it and took precautions when Rossweisse tried to take advantage.
  • Taking You with Me: Knowing he's going to be defeated by Rossweisse, he ensures Gandoma can at least take down Koneko before both leave the arena.

Beruka Furcas

Voiced by: Shinnosuke Ogami (Japanese) and Brian Mathis (English)

Sairaorg's Knight from the House of Furcas.

  • Blade On Astick: Uses two lances in battle, carries one in hand and stores the other one in Altobaru's mane.
  • Cool Horse: The Pale Horse Altobrau which is said to be the most untameable horse in the Underworld.
  • Graceful Loser: Takes his defeat against Kiba quite well.

Gandoma Balam

Voiced by: Taro Kiuchi (Japanese) and Cris George (English)

Sairaorg's Rook from the House of Balam.

  • Flat Character: He barely even speaks, making him the member of Sairorg's peerage with the least personality shown.
  • Mighty Glacier: He fits the description of Rook far more than most characters.
  • Rock Monster: His skin looks as if it's made of stone.

Ladora Bune

Voiced by: Takaaki Uchino (Japanese) and Bryan Massey (English)

Sairaorg's Rook from the House of Bune.

    Misla Bael 

Misla Bael (née Vapula)
Voiced by: Airi Otsu (Japanese) and Michelle Rojas (English)

Sairaorg's mother

  • The Beastmaster: She possesses her clan's ability to tame Lions, which her son inherited.
  • Convenient Coma: A rare demonic disease has placed her in a coma for years.
  • So Proud of You: Delivers one to her son after she wakes up from her coma.

    Magdaran Bael 

Magdaran Bael

Sairaorg's half-brother who got scorned by his clan due to the fact that Sairaorg defeated him. Appears in Volume 21 when the Bael territory was attacked.

  • Abusive Parent: Hoo boy he got it large as the source of his early Angst (though this has rectified by the time he makes his appearance). To wit: He was born with his clan's Power of Destruction, but he does not have the exceptional talent like Rias and Sirzechs, so his father subjected him to Training from Hell (literally and figuratively). His family never got along well, and his mother was only in it because she was proud of being married to a head of Bael. Only when Sairaorg talked to him he started to feel a bit better. When it was revealed that his and Sairaorg's father is a jerk who only cares about their reputation, making it completely justified.
  • Nature Hero: Magdaran's interest is botany, where he is very knowledgeable, and is capable of cultivating rare plants like rare species of apples and actually revived an extinct species of flower.

    Zekram Bael 

Zekram Bael

The first head of the Bael clan.

Other Devils

    Diodora Astaroth 

Diodora Astaroth
Voiced by: Makoto Furukawa (Japanese) and Aaron Dismuke (English)

An associate of the Khaos Brigade. Wanting to have Asia Argento as part of his harem, he harms himself and has her heal him, which results in Asia's exile. He was brought in by Shalba Beelzebub to kidnap and marry Asia, and launch an assault on the Underworld. Failing a few attempts and defeated by Issei Hyoudou, he was killed by Shalba.

  • 0% Approval Rating: Due to him branding nuns as heretics to the point that he murders them, everyone has a good reason to hate Diodora. Issei eventually realizes and states outright, that the only reason none of the other Devils have killed him is that they risk a civil war by doing so. It is also unlikely anyone felt sorry for him following his demise.
  • Ambition Is Evil: His ambition is to kidnap Asia and have her join his harem.
  • Ax-Crazy: Despite not cracking until his Villainous Breakdown, his obvious pleasure at raping and torturing Asia is a sign that he has not got a right mind.
  • Bait the Dog: When he first appears, he's an affable devil. Then it's revealed that he's a murderer and a rapist. After that, he tries to kidnap and rape Asia.
  • Berserk Button: He despises the idea of someone that's much stronger than him.
  • Big Bad Duumvirate: He and Shalba work together as the main antagonists of volume 6. Well, until Shalba kills him for his failures at least...
  • Big Bad Wannabe: He may be part of the Big Bad Duumvirate with Shalba Beelzebub, but he directly overestimates just how much clout he actually has - the only reason he wasn't dealt with earlier is it could have provoked the Old Satan faction and triggered civil war. When they break to join the Khaos Brigade, that protection disappears, and he promptly fucks up by targeting the new Red Dragon Emperor. He then finds out exactly how disposable he is when Shalba Beelzebub arrives and kills him.
  • Break the Haughty: He’s very confident of himself to put it mildly and thinks of Issei and the others as beneath him, but Issei proceeds to reveal this as nothing more than delusions of grandeur as he bounces him across the vast hallways like a stress ball.
  • Chekhov's Gunman: He appears briefly during Volume 5, only to reappear at the end of the volume and set himself up as the main antagonist of Volume 6. He is also mentioned as a part of Asia's backstory as far back as the first volume.
  • Classic Villain: He represents Lust and Pride.
  • Crisis of Faith: Diodora actually gets off on causing these in his marks; finding a devout, well-respected holy woman like a nun and slowly breaking their spirits until they ultimately give in to despair.
  • Cuckold: Proposes to and attempts to kidnap and rape Asia, incurring the wrath of Issei.
  • Did You Just Flip Off Cthulhu?: He mocks Issei about his Blue Blood nature. Granted, Diodora truly didn't realize that he was mocking someone almost three times stronger than him, but it still counts.
  • Dirty Coward: When the club tries to rescue Asia, he threatens to use her as a Human Shield, before teleporting away snickering.
  • Disc-One Final Boss: He's presented as one of the final main villains of the second story saga, but it's not until the finale of volume 6 that the true final boss turns out to be Shalba Beelzebub.
  • Do Not Taunt Cthulhu: After taunting and demeaning Issei by threatening to rape Asia and gloating about his supposedly Blue Blood nature, Issei one-shots him.
  • Early-Bird Cameo: He may be hard to see among the crowd, but he made a brief cameo in chapter 21 of the manga during Rias and Riser's engagement party.
  • Engineered Heroics: He planned for Asia to get excommunicated by the church and also waited for Raynare to kill her, only for him to kill the fallen angel and revive Asia, thus appearing to be her "savior." The last part of his plan fails when Raynare is defeated by Issei and Asia is revived by Rias.
  • Evil Cannot Comprehend Good: Diodora's arrogance and relentless self-centeredness blind him to the idea that Issei will defeat him and cause his plan to kidnap and ultimately rape Asia to fail.
  • Evil Counterpart: To Issei. Just like him, Diodora wanted to form a harem. However, unlike him, Diodora was willing to do anything to accomplish his goals, including outright murder.
  • Evil Gloating: When the group confront him, he continuously taunts Issei about having kidnapped Asia, eventually crossing one too many lines and causing Issei to reach his Rage Breaking Point by threatening to rape Asia.
  • Evil Plan: He had planned to make Asia a part of his harem from the very beginning. It fails miserably.
  • Eyes Always Shut: As part of his smug, polite facade. He opens them when he gets aggravated, like when Issei tries to pull him away from Asia.
  • Fatal Flaw: Diodora's pride and lust. He can't control his urges to rape and murder nuns, and couldn't stand being underestimated by Issei, and that's precisely how he lost in volume 6.
  • For the Evulz: He’s pretty much a scumbag for the sake of being a scumbag. He even drags the rest of the Occult Research Club into his business with Asia just to have more victims. This kills him in the end when he gets curb-stomped by an enraged Issei and is dispatched by Shalba as a result.
  • Faux Affably Evil: He may have been calm and polite in the Young Devils' Gathering, but it was only because he had to do it to cover his true motives, not to mention that he was clearly shown to drop his polite demeanor whenever not in their presence.
  • The Friend Nobody Likes: It gradually becomes obvious - and eventually gets said point-blank by Issei - that the only reason the rest of the Devils put up with his transparent smarm is that offing him could cause a civil war.
  • Greater-Scope Villain: Of Volume 1. He's the one who caused Asia's exile from the church.
  • Hate at First Sight: Issei hates his guts from the first second they meet, particularly due to him horning in on Asia right in front of him.
  • Hate Sink: Diodora's malicious personality is meant to earn him the ire of everyone, both in-universe and out. Rias even coldly states she intends to have his head on a pike, not just out of revenge for kidnapping Asia, but to serve as an example of what would happen to anyone who threatens her peerage.
  • Hope Crusher: And delights in every second of it. He explicitly plans to kill the group in front of Asia just so he can see her lose all hope. Unfortunately for him, Issei prevents this from happening and actually subjects Diodora to this by beating him down easily and freeing Asia from her binds.
    Diodora: I never get tired of it! My favorite is when a woman of faith and conviction give in to despair!
  • Hypocrite: Similar to the Old Satan Faction, he prides himself as a high-class devil and lambasts Issei as a "filthy dragon", despite the source of his overconfidence being his consumption of a snake from the Ouroboros Dragon Ophis.
  • It Is Pronounced "Tro-PAY": In the English dub of the anime, Diodora's name is pronounced "dee-o-do-ra" instead of the usual "dee-o-da-ra" with a short "a" sound.
  • Impaled with Extreme Prejudice: Shalba runs him through with his light spear.
  • Irony: He attempts to brand Asia as a heretic and wait for Raynare to kill her to revive her as a devil. Not only does Issei rescue Asia and has her revived as a devil, but he kills Raynare in the process.
  • Jerkass: To put it very mildly, Diodora Astaroth is an absolute piece of shit.
  • Kick the Dog:
    • Diodora having Asia heal him is unforgivable, but he used a self-inflicted wound to have her heal him.
    • Not only did he had Asia excommunicate from the Church, he even had nuns who were exiled from the church raped and ultimately killed.
  • Lust: His Fatal Flaw. He can't control the urges of raping and murdering nuns.
  • The Man Behind the Man: He is behind the events of Volume 1 and Asia's banishment from the church.
  • No Body Left Behind: He's impaled by Shalba's light spear and disappears into light.
  • Obviously Evil: He wears dark robes and has a sinister personality.
  • Pride: His Fatal Flaw. He can't accept being underestimated by a more powerful devil, which is exactly what leads to his demise.
  • Psychopathic Manchild: He reflects a childish glee when drooling about how he would rape Asia, and when he's being tossed around like a ragdoll, he screams and throws a temper tantrum.
  • Red Right Hand: Diodora sports an X-shaped scar on his chest. It was self-inflicted as part of his gambit to get Asia.
  • Rape Is a Special Kind of Evil: His threat to rape Asia establishes him as one of the most despicable, irredeemably evil villains in the series, and causes Issei to explode in a fit of anger, reaching Balance Breaker. Nobody even cares what happens to him after this; Rias and Ddraig even advise Issei to go all-guns-blazing on him.
    Diodora: (whilst gloating) I'll be honest, the thought of raping Asia as she calls out your name is absolutely delicious!
  • The Reveal: Two. Firstly, he was the devil who Asia healed while she was still affiliated with the church, and secondly, he had been planning to kidnap Asia all along.
  • Sadist: A vicious piece of work, who gets off on making women suffer and being his sex slaves.
  • Shadow Archetype: To Issei — he represents what Issei could have become if he was devoid of any true love for his harem.
  • Slimeball: A textbook example. He is a cold-hearted, manipulative individual who appears with a faux veneer of kindness at first but is purely motivated by his depraved personal gain. He also has no problem in showing off his status to others he considers below himself.
  • Small Name, Big Ego: A devil who talks down to people (AND Issei, who had none of it) and smug enough to kidnap Asia to rape her. He pays for this trope with his life when Issei gives him a Curb-Stomp Battle and Shalba kills him for his failures.
  • Smug Snake: It takes a special kind of smug to take the moment you had a nun heal you so that she can get excommunicated from the Church and having a Fallen Angel kill her so that you can revive her and paint yourself as the hero. So smug that his explanations about what he did to Asia gives a good enough reason to beat the crap out of him.
  • The Sociopath: His hobby is forcibly turning nuns into Sex Slaves for nothing more than dominance and fun before murdering them, he has utterly no empathy for the victims of his actions and cares only about indulging himself and inflicting pain as much as he can.
  • Stupid Evil: After he kidnaps Asia, he leads the Occult Research Club into a battle with him. Not only that, but Diodora taunts the club about raping and eventually murdering Asia, which makes it that much easier for Issei to give him a Curb-Stomp Battle.
  • Taking You with Me: He had a backup plan that accounted for his defeat - a Longinus seal that would devour Asia to ensure that she could never return to Issei and the Occult Research Club. Worse yet, it would force her to use reversed healing on the field and observing room to take down the leaders of each faction. Luckily, he didn't account for Dress Break.
  • Tareme Eyes: His eyes are drawn in a distinctly droopy fashion. Combined with the above Eyes Always Shut, it gives him a meek expression unbefitting of his true colors.
  • Too Dumb to Live: In addition to severely underestimating Issei, he continues to taunt Issei by claiming to kill him before breaking Asia, then proceeds to get thrashed by Issei and begs Shalba for help upon his arrival, only to be slaughtered like an insect.
  • Underestimating Badassery: His toying with Issei when he believes they can't fight back comes back to haunt him big time when Issei gives him a Curb-Stomp Battle and causes him to break down.
  • The Unfettered: He's willing to do anything to kill Asia if he can't have her for himself.
  • Villainous Breakdown: He goes into insane hysterics when Issei beats the tar out of him with ease.
  • Villain Team-Up: He forms an alliance with Shalba Beelzebub and the Khaos Brigade to launch an invasion of the Underworld in volume 6.
  • What Happened to the Mouse?: It is unknown what became of the surviving members of his peerage following his death. Likely they were killed, arrested or even escaped.
  • Would Hit a Girl: Had no problems with raping and murdering nuns For the Evulz. He also kidnapped Asia so that he can murder her.
  • You Have Failed Me: He makes a failed attempt on Asia Argento's life, resulting in his death at Shalba's hands.

    Seekvaira Agares 

Seekvaira Agares
Voiced by: Yuna Yoshino (Japanese) and Jennifer Green (English)
The Heiress of the House of Agares.
  • Meganekko: She wears glasses.
  • Not So Stoic: She gets excited whenever she hears that someone is building a Gundam model is built or having a full battalion of mechas.
  • Ojou: Was groomed from the start to be the next Archduchess, with all the proper education and behavior.
  • Otaku: Of the mecha variety. Played for Laughs and very, very justified, as she uses it as a stress relief from the duties of the Agares heiress and it was her father who taught her to be so.
  • Out of Focus: Compared to the other members of the “Rookies 4” (Rias, Sairaorg, Sona), she’s had very little role in the actual plot.
  • The Stoic: She usually has a serious personality.

    Zephyrdor Glasya-Labolas 

Zephyrdor Glasya-Labolas
Voiced by: Taishi Murata (Japanese) and Ian Ferguson (English)
The next heir to the House of Glasya-Labolas. He is Falbium's younger brother.
  • Heroic BSoD: Losing to Sairaorg in a rating game caused him to lose the will to fight. So much so that he's replaced by Iryuka as the next head of the Glasya-Labolas clan.
  • Inadequate Inheritor: It's mentioned many times that compared to Falbium, Zephrydor is sorely lacking in all regards to being the head of the Glasya-Labolas family. This leads to his delinquent behavior as a way of masking his Inferiority Superiority Complex.

    Diehauser Belial 

Diehauser Belial
Voiced by: Kenji Hamada (Japanese) and Seth Magill (English)

The head of the House of Belial and the number one ranking Rating Game champion. Known as "Emperor" Belial.

  • Anti-Magic: How his clan's ability "Worthlessness" works except it requires him to understand the properties of the ability to render it "worthless".
  • The Atoner: No matter how well-intentioned his plans were, he still exposed himself to the public that he did help out Rizevim for Agreas and kidnapping both Riser and Ravel during the Rating Game.
  • Badass in Charge: It is revealed in EX that he became one of the Great Satans (which, in the story, is increased from four to seven as it has been proposed by Sirzechs and co.
  • The Champion: He is the King of the Rating Games.
  • Curtains Match the Window: His silver hair matches his eyes.
  • The Exile: He goes into exile for his role in serving as The Mole for Rizevim.
  • Face–Heel Revolving Door: Diehauser sides with Rizevim, but the former wants to uncover the corruption of the Rating Games.
  • Foregone Conclusion: Becoming one of the Great Satans was a given by the time EX rolls around.
  • Good All Along: Like Crom Cruach, he was merely using Qlippoth for his own goals and also to uncover the corruption of the Rating Games.
  • Graceful Loser: He accepts his loss at the hands of Issei after their duel.
  • Mr. Fanservice: The moment his face was revealed, he became this.
  • Meaningful Name: Diehauser is German for "the house", since he belongs to the House of Belial.
  • Mystical White Hair: He has silver hair.
  • The Plan: After finding out who was responsible for killing her cousin, he then sets out a plan to expose the crimes of the illegal activities in the Rating Game. Then he got close to the guy who exposed all this, Rizevim, just to take him out. He does this by having a Rating Game with Riser to find out how to make the phoenix tears worthless, and then use it on Rizevim's phoenix tears.
  • Red Baron: He is referred to as "The Emperor".
  • Spanner in the Works: He ends up exposing the corruption involving King pieces in the Rating Games by the time of volume 20.
  • Stealth Mentor: When he fights Issei, this is what Issei thought of him as since Belial clearly held back against him.
  • Walking Shirtless Scene: No shirt, just a long jacket and he doesn't even cover it.
  • Walking Spoiler: Specifically the part about he's The Mole for Rizevim. And the part where he's actually a Reverse Mole.
  • The Worf Effect: Just to show how dangerous Jabberwocky was, he and his team threw out their strongest attacks but they still couldn't get through his instant regeneration. Although considering the recent reveals He may have been holding back.]

    Roygun Belphegor 

Roygun Belphegor

A member of the House of Belphegor, Roygun is the second champion of the Rating Game using the king piece.

  • Ascended Extra: By Volume 21, we actually see what she looks like and learn more about her two volumes later.
  • All of the Other Reindeer: By Volume 23, Roygun is scorned by everyone she comes across for inadvertently helping the Rating Game corruption come into playing. Her status as an outcast is what ultimately leads to her joining Issei's team, because she found her exile boring.
  • The Atoner: Plans to give herself in after the exposure of Rating Game corruption, but given that her clan name are listed as one of the new titles in the proposal of the new Seven Satan system, she will likely be pardoned or just be given a light sentence because she never intended to be a part of the old Devils' machinations. She also feels the need to join Issei's team in the Rating Game.
  • Big Damn Heroes: Averted in volume 21. By the time she appears, Bedeze Abaddon was already defeated by Saji and Sairaorg.
  • Boobs of Steel: Roygun has a well-endowed bust as Issei noticed.
  • Butt-Monkey: By volume 23, she's been marginalized by her house and is no longer participating as a King in the Rating Games.
  • Cool and Unusual Punishment: After Diehauser exposes the Rating Game corruption, Roygun is stripped of her titles and rank and is placed under surveillance.
  • The Exile: After the Rating Game corruption is exposed, Roygun is exiled from the Belphegors. Around the time of Trihexa's demise, she becomes a mentor to Issei, which works out well.
  • The Ghost: Briefly, in volume 10 — she didn't make an actual appearance until volume 21.
  • Heroic BSoD: She clearly has one after she's exiled by the Belphegors.
  • Hero with Bad Publicity: Although she was one of the popular champions of the Rating Games by the time we first see her, her chances of participating in future tournaments die when Issei and Diehauser help expose the Rating Game corruption and is exiled by her house. Her exile leaves her free to join Issei's team.
  • Horned Humanoid: Roygun has two horns protruding from her head, which is a characteristic of the house of Belphegor.
  • It's All My Fault: She's completely devastated by how she got involved in the Rating Game corruption.
  • Lady of War: She is considered to be one of the powerful women in the Underworld along with Serafall and Grayfia.
  • Lovable Sex Maniac: She likes to seduce young men in their teens to their twenties, to which Issei fits the bill.
  • Meaningful Name: Belphegor is the main demon of the deadly sin known as Sloth in Christian tradition, and seduces people by suggesting to them inventions and temps people by means of laziness.
  • Ms. Fanservice: Both Magdaran and Issei view her as a beautiful demon.
  • Older Than They Look: She looks like in her early twenties but is at least as old as Diehauser.
  • Pink Is Feminine: She has cherry blossom-colored hair.
  • Redemption Demotion: After the Rating Game scandal, she's demoted to High-Class Devil and this leads to her joining Issei's team to atone for her misdeeds.
  • Throw the Dog a Bone: In volume 23, her befriending of Issei and becoming an advisor to his team.

    Cleria Belial 

Cleria Belial

Cousin of Diehauser, the former governor of Kuoh before Rias, and Masaomi Yaegaki's devil lover. Already dead by the time the story starts.
  • Cassandra Truth: She told Diehauser about the rumored "King" piece but he thought it was just nothing but rumors. Unfortunately for her, by the time he finally figured out it actually exists, she's already dead.
  • Posthumous Character: Long dead before the series starts.
  • The Reveal: Her knowledge of the illegal "King" piece which allows to make the kings stronger in Rating Games. Diehauser never used it because he was too powerful. However, everybody else in the top rankings did.
  • She Knows Too Much: Her love for gossips, unfortunately, was the reason why the old devils decided to have her dead.
  • Star-Crossed Lovers: She gets together with Yaegaki, but eventually meets her end.


Voiced by: Kaoru Mizuhara (Japanese) and Milly Prower (English)

A stray devil the Occult Research Club was ordered to kill.

  • Hollywood Acid: Her acid can melt anything, even walls.
  • Hybrid Monster: She has the upper body of a human with four monster legs for a lower body and a snake for a tail.
  • Mercy Kill: She begs Rias to kill her, which she obliges.
  • Starter Villain: She gets trounced by the ORC to display the traits of the Evil Pieces to the newcomer Issei.
  • Torpedo Tits: In the anime, she fires her acid like torpedoes.

    Mephisto Peles 

Mephisto Pheles

A devil from the Extra Demons who is the head of the Magician's Council and Tannin's King. He is one of the oldest devils in existence, having existed during the time of the original Satans.

    Latia Astaroth 

Latia Astaroth

A devil from the branch family of the Astaroth House. Due to the scandal caused by Diodora's betrayal and subsequent death, it was decided she would be the next Head of the Astaroth family early on. Unlike Diodora, Latia doesn't discriminate against Low-class or Reincarnated Devils.

  • The Atoner: She does what she can to restore the Astaroth's name after the scandal with Diodora, such as directly apologizing to Asia and moving to Kuoh Town, which is likely to be attacked by hostile organizations.
  • Haunted House: Buys one upon moving to Kuoh Town and then hires the Youkai and Devils who live there as servants.

    Iryuka Glasya-Labolas 

Iryuka Glasya-Labolas

A devil from the main branch of the House of Glasya-Labolas, Iryuka is Ravel's kindergarten classmate and is the next Head of Glasya-Labolas, as she is replacing Zephyrdor, who's unable to emotionally recover from his loss to Sairaorg Bael.

  • Bokukko: She uses the first person pronoun "boku"​.
  • The Stoic: Is described as having a poker face.

Artificial Devils

    In General 
  • Artificial Human: 100,000 pure-blooded Devils created by Hades using the Book of Lucifer and the remains of Lilith, the mother of Devils.
  • Manchild: They have the appearance and knowledge of adult but are emotionally immature, with Balberith in particular seeking out a father figure and becoming a huge fan of the Oppai Dragon children's show.



Devil #61616 created by Hades, and one of the two Super Devils created along with Verrine.

  • Number of the Beast: 616 is suggested to have been the original number rather than 666.
  • Story-Breaker Power: He's so powerful that he can curb-stomp Mahabali without a scratch, and Hades believes that he can singlehandedly take on a Dragon God.



Devil #36402 created by Hades, and one of the two Super Devils created along with Balberith.



Devil #14784 created by Hades, considered above Satan-class along with Gressil.



Devil #50019 created by Hades, considered above Satan-class along with Sonnellion.

  • Adaptive Ability: His Resistance ability makes him more resistant to attacks that have already hit him.


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