Minor characters in High School DxD.
- See also: Kuoh Academy Students
- 1 Hyoudou Family
- 2 Other Relatives
- 3 Himejima Clan
- 4 Nakiri Clan
- 5 Kushihashi Clan
- 6 Hero Faction
- 7 Cross Times Kiss
- 8 Sigurd Institution
- 9 Past Boosted Gear Possessors
- 10 Past Divine Dividing Possessors
- 11 Magicians
- 12 Clients
- 13 Other Humans
- 14 References
Issei's parents are like any normal parents, who often complain on how much of a pervert he is, despite this they still value and love their son dearly. It's revealed in Volume 20, that the couple had difficulty having children as Miki had suffered two miscarriages. The couple temporarily gives up on the idea of having a child but eventually tries to conceive a child again for the third time, successfully giving birth to Issei after much hardship. They're also very proud of how close their son has gotten with all the girls they now live with, whom they treat like their own daughters.
Later in Volume 20 they find out the truth about Issei becoming a Devil after they are kidnapped by the Evil Dragon Níðhǫggr and witness Issei undergoing Dragonification in front of them, after Diehauser feeds Dragon blood to Issei under Rizevim's order. Despite their initial shock, the couple still accepts Issei as their son, strongly proclaiming their love for Issei.
In Volume 24, they get together with the parents and guardians of the girls currently engaged with Issei at their home to plan each of their respected wedding ceremonies.
They are noticeably drawn to appear younger in the manga than their anime counterparts.
Gorou Hyoudou (兵藤 五郎, Hyoudou Gorou) is an ordinary office worker. Gorou has the appearance of a middle-aged man with brown hair and brown eyes which his son inherited, as Issei is noted to resemble him. He is shown to wear glasses.
He is shown to be exasperated with his son's lewd behavior as he worried that he wouldn't be able to become a grandfather due to Issei not finding a bride. Nevertheless, Gorou is shown to love his son greatly and hopes he lives an honest life. He became happy with Issei's increasing popularity among girls and hopes to become a grandfather soon, as he has accepted the various girls that love Issei as his daughters-in-law.
Like his son, Gorou is shown to be brave as he stood in front of Issei to protect him from Rizevim Lucifer when Issei was unsure if his parents loved him and when Gorou stood to protect Kunou, Ophis and Lilith from Thanatos' Grim Reapers. Mitsuya Kanzaki considers him a good father.
Despite criticizing Issei for his lewd behavior, it is revealed that Gorou is lewd himself, as he too dreamed of having a harem like Issei when he was younger and is proud of his son for being able to achieve that dream. He is also shown to have nosebleeds when he sees the girls doing lewd things for Issei, as he encourages Issei to make the girls his wives.
When Issei was a child, Gorou often went fishing together with his son until Issei accidentally broke his fishing rod and the two haven't went fishing since. He has unofficially adopted Asia as a daughter and supports Issei's relationship with Rias. It has been shown that he's especially proud of his son's uprising popularity with girls, stating that he also wished to have a harem of his own when he was Issei's age, implying that he's also as perverted as his son. He is good friends with Rias' father, Zeoticus Gremory, who like him shares the delight of embarrassing their children and drinking.
Voiced by: Sachiko Kojima (Japanese), Jessica Cavanagh (English)
Miki Hyoudou (兵藤 三希, Hyoudou Miki) is Issei's mother and a full-time housewife. She has the appearance of a middle-aged woman with dark brown hair that is tied into a ponytail and hazel eyes.
Miki is shown to be exasperated with her son's lewd behavior as she worried that she wouldn't be able to become a grandmother due to Issei not finding a bride. Despite this, she is shown to love her son and watches him carefully as she is able to tell what he is thinking and feeling. She became happy with Issei's increasing popularity among girls and hopes to become a grandmother soon, as she is shown to be excited when she caught Issei and Asia in the bath together or when Issei started calling Rias by her name.
She is shown to be protective of her family as she slapped Diehauser Belial for the pain he put Issei through. Due to her protective nature, she is uneasy with Issei fighting and initially couldn't bear to watch Issei Rating Game matches live, though she was able to gather the courage to watch after Issei passed to the main stage of the Azazel Cup.
Despite criticizing Issei for his lewd behavior, it is revealed that Miki is lewd herself as she was stated to have worn a naked apron when she was younger for her husband and is shown to comfortable with Issei and Asia having sex in the kitchen, even commenting that she would have loved to watch.
She is an excellent cook and sometimes goes out to a part-time job. She has unofficially adopted Asia as a daughter and supports Issei's relationship with Rias. Miki shares the title "Four Heavenly Kings" of the Kitchen along with Asia, Rias and Akeno for their skill in cooking. She was worried that Issei's friends, Matsuda and Motohama, have a very bad lecherous influence on him. She is notably in favor of having her first granddaughter. She is shown to be good friends with Rias’ mother, Venelana Gremory, who like her shares the same worries of their children and annoyance towards their husbands.
Juzo Hyoudou (兵藤 十蔵, Hyoudou Jūzō) was Issei's paternal grandfather who has been deceased some time before the series started. He's described by Gorou as a rather open-minded and easy-going person who would easily accept the existence of Devils and Angels. Juzo was also described to be very perverted; not only did he have a stockpile of pornographic magazines from his youth to even when he got older, he would also chase after a beautiful woman’s bottom and talk about breasts all day long. It's implied that both his son and Issei’s perversion and desire for a harem must have been an influence from Juzo. Because he was too indulgent when he was young, his brothers wondered if he would ever have any illegitimate children, worrying his son if he would have a sibling come out of nowhere.
While in Buddhist Heaven, Juzo would hear of his grandson's heroic deeds and achievements as the Red Dragon Emperor and Oppai Dragon and was always praised for it by the Bodhisattva. The more active Issei became, the more luxurious Juzo's life in Heaven became, with the Oppai Dragon song in the background which he has been singing and dancing every day in bliss. He would often be visited by deities to ask about stories from Issei's childhood.
Juzo first appears in Volume 24 when he was summoned through the Yokai Ungaikyo for Issei to catch up with him. He was introduced to one of Issei's fiancées; Rias, and complimented her breasts while recalling that Issei always wanted to marry an older girl with big breasts. Their connection was then cut off when they reached the time limit to communicate.
Issei's Grandmother is the mother of Gorou Hyoudou and the widow of Juzo Hyoudou. While she's unaware of the existence of supernatural beings, she’s the kind of person who would believe in Youkai and mountain gods. She lives in the countryside of Japan and is always visited by Issei and his family every year on January 4th.
The wife of Touji and the mother of Irina Shidou. She has black hair and bears a close resemblance to her daughter. She once lived in Japan with her husband and daughter and were close towards Issei and his family as she was aware that Irina had a crush on Issei. Eventually, she and her family moved to England and worked as a dealer. She is currently running a Japanese restaurant business in England. Mrs. Shidou comes off as a genuinely kind person and lightly chipper as she enjoys teasing others, particularly her daughter's feelings for Issei.
Years later she would hear details about Irina's life back in Japan with Issei and his friends, such as fighting the Khaos Brigade, becoming an Angel, and learning about her engagement with Issei. Mrs. Shidou first appeared in Volume 24 when she came back to Japan, she was invited to the Hyoudou Residence along with her husband to discuss plans for Irina's wedding ceremony, as she teased Issei about being a suitable husband for Irina.
The unnamed human father of the Nekomata sisters who was a scientist that their mother; Fujimai, had fallen in love with. However it purely one-sided, as he was too focused on his research to mutually care for her, feeling only lust for Fujimai and was hardly aware that Koneko and Kuroka were his daughters. He previously worked for the branch family of the House of Naberius, under the direction of the Nebiros clan who entrusted with the Naberius clan with researching about how to artificially create Super Devils. The details about his research were hidden within a cat-shaped hair clip and given to Koneko by Fujimai. Both he and Fujimai eventually died in an explosion caused by a lab accident.
He first appeared in Volume 24 when he was also summoned through the Yokai Ungaikyo, as he was questioned about the past involving his daughters, the involvement with the House of Naberius, and the dark truth about the research he was conducting. Towards the end of the conversation, he pleaded to know if the results of his research came true, but was cut off when the time reached its limit.
Vali's Human mother has the appearance of a beautiful forty-year-old woman with black hair. A compassionate woman, Vali's mother had tried to protect him from his abusive Devil father despite her complete powerlessness as a human. She tried to help Vali in any way she could by bandaging his wounds or cooking simple food to feed him despite risking herself being violently abused by Vali's father. As the only person who showed him kindness during his tragic childhood, Vali is very protective of his mother, as when Vali learned that his mother happily remarried and gave birth to two children. Vali became determined to protect his mother and his younger half-siblings at all costs. Her memories of her life with her son and previous Husband have been wiped, and because of that, while sometimes Vali pays a visit, he cannot make contact as to not risk getting his mother and her new family involved in his dangerous life.
The human mother of Gasper and late lover of his father Lord Vladi. She died shortly after upon giving birth to Gasper, this was because her son was born as a mass of darkness which accidentally cursed her and several servants nearby to death.
Cao Cao's Parents
They lived in a rural area in the mountains of China as ordinary poor peasants, never knowing that they were descendants of the Cao family. However, when they learned that their son possessed the strongest Longinus, they were offered a large amount of money and, being dazzled by it, sold him off. After that, they continued to live a luxurious life without thinking about their son who had run away from home, but eventually they ran out of money and suffered from being covered in debt and hung themselves.
Kaho Saji (匙 華穂, Saji Kaho) is Genshirou Saji's younger sister and a middle school student. She knows that her brother has been reincarnated into a Devil, and she supports Sitri peerage as a fan. Due to the fact that all of her adult relatives have passed away, she has an adult personality and is a reliable person. She was introduced in DX.4 when Issei and Xenovia visited Genshirou's house to drop off some documents that he forgot in school as she reveals that she is aware of their identities as supernatural beings and has been watching their Azazel Cup matches, while cheering for them. She later cheered for Genshirou during the match between Team Red Dragon Emperor of the Blazing Truth and Team Sona Sitri, as she took the microphone from the commentator to tell him that Gengo won in the fight he was having in his kindergarten as she implored him to get up after Issei overwhelmed him.
Gengo Saji (匙 元悟, Saji Gengo) is Genshirou Saji's younger brother and a child who goes to kindergarten. He lost his parents shortly after birth, so he has no memories of his parents. Gengo is still young and does not yet know that his brother has been reincarnated into a Devil.
One of the Five Great Families, they are a powerful clan of mystics linked to the Shinto gods and have served them for generations and are well known for purifying evil spirits. The clans rule over powers of the Sacred Beasts, with the Himejima Clan in possession of one known as the Vermilion Bird. The Himejima Clan has been blessed by the Shinto Gods, allowing its members to use the Fire Phase, one of the Five Elements, which allows them to manipulate fire. A common trait shared by the clan is that each member of their clan has the kanji 朱 in their name, a reference to their Sacred Beast. The sole exception to this is Tobio Ikuse. The current head of the clan is Suzaku Himejima.
Suou Himejima (姫島 朱凰, Himejima Suou) is Shuri's Uncle and Akeno's Great-Uncle. He was the former head of the Himejima Clan, one of the Five Great Families. He first appeared in the Short Story Scarlet and Crimson, when he hunts down Akeno for being the child of a Fallen Angel, but allowed her to live after coming to an agreement with a Gremory servant; Heinrich Cornelius Agrippa. He is also the Great-Uncle of Suzaku Himejima and Tobio Ikuse and brother to his grandmother who was formerly known as Ageha Himejima.
One of the Five Great Families, they are a powerful clan of mystics linked to the Shinto gods and have served them for generations and are well known for purifying evil spirits. The clans rule over powers of the Sacred Beasts, with the Nakiri Clan in possession of one known as the Yellow Dragon. The Nakiri Clan has been blessed by the Shinto Gods, allowing its members to use the Earth Phase, one of the Five Elements, which allows them to manipulate earth. The Nakiri Clan is noted to be the leading clan among the Five Principal Clans. The current heir of the clan is Ouryuu Nakiri.
Nakagami Nakiri (百鬼 中頭, Nakiri Nakagami) is the brother of Momoji Nakiri and the second older cousin of Ouryuu Nakiri, and as well his predecessor of the name “Ouryuu“. He was considered to be the strongest “Ouryuu” in history, who was so talented that even his cousin, who is the current heir said he was much better than him. He also caused some problems for Tobio Ikuse and Vali Lucifer four years ago.
Momiji Nakiri (なきり もみじ, Nakiri Momiji) is the sister of Nakagami Nakiri and the older cousin of Ouryuu Nakiri. She is the original possessor of the Longinus Telos Karma until it was confiscated by Mitsuya Kanzaki and then eventually disappeared. Momoji’s disappearance caused Ouryuu to develop a grudge towards Mitsuya.
One of the Five Great Families, they are a powerful clan of mystics linked to the Shinto gods and have served them for generations and are well known for purifying evil spirits. The clans rule over powers of the Sacred Beasts, with the Kushihashi Clan in possession of one known as the Azure Dragon. The Kushihashi Clan has been blessed by the Shinto Gods, allowing its members to use the Wood Phase, one of the Five Elements, which allows them to control wind and lightning, as well as anything related to "Wood" such as plants and flowers. The current head of the clan is Seiryuu Kushihashi.
Seiryuu Kushihashi (櫛橋 青龍, Kushihashi Seiryū) is the current head of the Kushihashi clan. He has the appearance of a handsome man with glasses. He made his first appearance in Volume 24, assisting the current head of the Himejima clan Suzaku Himejima and Issei against any Grim Reapers that would interrupt Rias’s and Vali’s match.
Flame Shake Possessor
An unnamed former member of the Hero Faction. He is described as a man wearing a black coat, he is shown to despise Devils, viewing them as evil and believing that the town needed saving from them. The man was part of small Hero Faction group hiding in Kuoh Town that have made small scale assaults. He first appeared in Volume 7 when the Occult Research Club located his groups hideout at a abandoned factory, he primarily battled against Issei, he shot his flames at him but lost because of Issei's higher flame resistance. He and his associates were sent to the Underworld and arrested but their memories during the Hero Faction were triggered to be erased upon arrival. He later died in custody due to Ophis' Snake breaking his Sacred Gear.
Staring Blue Possessor
An unnamed former member of the Hero Faction. He is described as a Chinese man wearing a native outfit. He appeared in Volume 7 fighting the Gremory Group when they located their hideout, he fired several light shots at Issei but was blocked by Irina Shidou's light spear. Akeno Himejima then attacked with spears of ice at him but was saved by Connla's shadows. He was soon defeated apprehended by Yuuto Kiba when Connla was dealt with, he and his group where then sent to the Underworld but with no memories regarding the Hero Faction. He later died in custody due to Ophis' Snake breaking his Sacred Gear.
Staring Green Possessor
An unnamed former member of the Hero Faction. He appeared in Volume 7 fighting the Gremory Team. He hid himself attacking from a distance but was located and apprehended by Koneko Toujou and Xenovia Quarta. He and his team were sent to the Underworld but lost their memories of the hero Faction upon arrival. He later died in custody due to Ophis' Snake breaking his Sacred Gear.
Momono Kibitsuhiko (桃野 吉備津彦) is the inheritor of the soul of Momotarou. Like the original he is accompanied by animal companions such as a Monkey Youkai, a Dog God Youkai and a raven. He wields a sword in battle with his animal companions assisting him. During the Hero Faction's recruitment audition, he fought against Heracles during his practical skill test. Afterwards, he joined the Hero Faction after proving himself during his practical skill test.
Cross Times Kiss
Shizuka Kirino (霧乃 静香, Kirino Shizuka) is a member of Cross Time Kiss and a friend of Mitsuya Kanzaki. She appeared in Volume 25, assisting Mitsuya on protecting Gorou Hyoudou, Kunou, Ophis, and Lilith from the Grim Reapers. After Gorou stopped the argument between Mitsuya and Tobio, she appeared to be grateful to him as she thanks him and later apologized for that argument and became more determined on protecting him.
Sigmund (シグムンド, Shigumundo) is a white-haired boy between the ages of 11 and 12, being a promising stock of the Sigurd Institution. He is called "Sig" by his relatives, and treats Lint like his older sister, calling her "Nee-Yan". Because he was left over at the headquarters, he was sent to Kuoh Town by the Vatican after the "Evil Dragon War".
He received half of his genetic information from Lint and Freed, while the other half of the genetic information came from Siegfried. As a descendant of the hero Siegfried, he dreams of becoming the next user of the Demon Emperor Sword Gram and becoming a better swordsman than Siegfried.
He respects Siegfried as his teacher and mentor. However, he think that Siegfried was a sad person who couldn't rely on anyone at an old institution because he was strong enough to be chosen by Gram. He has has complex feelings about Yuuto Kiba, who defeated Siegfried, but when the two of them spoke at C×C, he asks Yuuto if Siegfried was a bad person and received Yuuto's sincere answer: "He was an enemy, but he had his own beliefs". After hearing that, Sigmund made up his mind as he resolved himself and declared that he would eventually challenge Yuuto for his dream of wielding Gram.
Past Boosted Gear Possessors
The past possessors of the Boosted Gear whose consciousness is all stored within the Boosted Gear. Only two of the past possessors are named.
In Volume 10, during Issei's fight against Sairaorg Bael, they attempted to make Issei transform into Juggernaut Drive, but Issei was able to dispel their hatred as he attained Cardinal Crimson Promotion as an alternative form.
In Volume 11, during the Occult Research Club's fight against the Grim Reapers, the past possessors told Issei to use Gift on Rias' breasts in order to defeat the Grim Reapers.
In Volume 12, all the consciousness of the past possessors have disappeared from within the Boosted Gear after they sacrificed themselves to save Issei's soul which was on the verge of breaking down after receiving Samael's curse.
Unnamed Boosted Gear Possessor
Past Divine Dividing Possessors
Unnamed Divine Dividing Possessor
He is the one that helped Issei reduce the curse and the evil that flows within the Boosted Gear. Though Issei wondered why the man would help Issei because he is not Vali (the current White Dragon Emperor), he just smiles and claims that he is an interesting man, and hoping that in the near future he will lead both the "Two Heavenly Dragons" into a new possibility.
He along with the other seniors of the Boosted Gear saves Issei from Samael's curse. When Vali successfully sealed off and dominated all of the thoughts and consciousness of the past Divine Dividing possessors, the original him and the other past possessors awaken the Empireo Juggernaut Overdrive.
Shooting Star's Bishop
She is a Magician that comes from an anonymous Magician organization. She doesn't have any technical skill and cannot use any complex spells but is capable of using basic elemental spells with a immense degree of power. She was recruited by Shooting Star as a member of his team; Team Shooting Star, for the Azazel Cup. During their team's match against Team Imperial Purpure, she fired tremendously powerful fireballs and ice spears, as the fireball was at the size that could engulf half of the island while the number of the ice spears easily surpassed a thousand, forcing Sairaorg's team back. However, due to the fatigue and injuries from the previous matches, she was losing her stamina as she was pushed back and defeated by Sairaorg's team and eliminated from the match.
Voiced by: Shinji Kawada (Japanese)
Unas is a character appearing in the Ova I'm Searching for Breasts!. He was a Priest who performed ceremonial magic and lived in Ancient Egypt around a millennium ago. At some time, he wanted to make a female Devil of the House of Agares into his bride, but she placed a three-layered curse on him, resulting in Unas being mummified and sealed in a sarcophagus, which was then brought to a museum in Japan for research.
In the Ova, after his sarcophagus was opened, he possessed Issei and convinced the females of the Gremory group into breaking the cursed seals via perverted requests to release him from Issei, but in truth tricked them into bringing him back to life. Now free, he attempts to seek vengeance while the Occult Research Club try to stop him but the girls of the group are entangled in his bandages, so Issei uses his Dress Break to set them free. Being a pervert himself, Unas got distracted by Issei's spell and got killed by both Rias and Akeno.
Voiced by: Atsushi Ono (Japanese)
The Legendary Sage is a character appearing in the Ova I'm Enveloped in Breasts!. Formerly a priest of the Church, he turned off all of his desires for his beliefs. One day, he accidentally touched the breast of a woman and became obsessed with them. He left the Church and became a wanted criminal. The Legendary Sage then created monsters to steal women's underwear to use them in a ritual to turn himself into underwear.
According to Azazel, the Legendary Sage is the man closest to achieve the Philosopher's Stone. However, due to an act caused by Koneko and Gasper, his spell went wrong and he turned into an underwear monster. He was about to absorb all the girls of the Gremory group but was stopped when Issei told him that underwear does not count but what's inside that counts. After turning back into a human, the Legendary Sage was arrested by Angels and taken away but not before giving all the stolen underwear to Issei as thanks for saving him.
He appeared to be proficient in Alchemy. He is capable of performing Dress Break-like spells on women without needing to touch them as well as being able to see through the layers of their clothes. In his monster underwear form, he exhibited the ability to control women's underwear to restrain or ensnare others and accumulate more into his body. This form can also absorb Demonic Power from those around him, they lose their overall power upon being ensnared within his body made of underwear.
Voiced by: Tsuyoshi Aoki (Japanese), Ricco Fajardo (English)
Morisawa (森沢, Morisawa) is a regular client of Koneko and later Issei. He is an Otaku and a lolicon who likes to dress Koneko in various cosplay outfits and do a bit of role play as well as play video games. Like Issei, he is a huge fan of Drag So-Ball (parody of Dragon Ball) and Atsumiya Akino (parody of Suzumiya Haruhi). Morisawa is really into non-human girls, even strong ones, since a young age he has ever fantasized about Yuki-Onnas.
In Volume 1, he summoned Issei originally wanting Koneko to dress as Tanmon Kiyu (based on Nagato Yuki) and carry him with her super-strength. Originally skeptical of Issei since he arrived on his bike instead of the usual teleport from the leaflet. Issei tried to preform a special trait by copying a technique from Drag So-Ball but failed, seeing this the two began debating and bonding over the said series. When attempting to form a contract, Morisawa asked to be rich and a harem, however both of which would cost his soul and kill him, upset over it, Issei comforts him with a game of battle-play until morning. They didn't form a contract but Morisawa gave him a highly positive review and hoped to see him again to properly form the contract.
On later occasions he would summon Issei to hang out and talk about shows, games and manga they like, he would even celebrate with Issei when he received a Devil's promotion. He remains as Issei's client when he became a High-class Devil, even then he still prefers that Issei arrived on his bike when summoned. Morisawa had jokingly attempted to ask out Koneko, Xenovia and Rossweisse, but each time they revealed to be dating Issei and each time he would summon him to confirm it.
In True Volume 1, he had summon Issei whom he was angry at for suddenly being popular with girls and demand to know what trick he used. He requested Issei to set him up with a non-human girl and from the list he was dead set on a Yuki-Onna, but had his fantasies shattered upon meeting Christie who was not like the legends described, Issei ran off as Morisawa yelled him for knowing about it. On a later date, Morisawa and Christie had apparently become good friends.
Mil-tan (ミルたん Miru-tan) is another one of Issei's regular clients, a male bodybuilder who is a huge fan of Magical Girl and wishes to become one. He is a huge muscular man with black hair tied in pigtails and constantly dresses in Magical Girl outfits. Mil-Tan has a group of muscular friends who shares his interests in the Magical Girl genre and dress up. It's likely Mil-Tan identifies himself as a girl and acts feminine, he ends his sentences with "Nyo" (にょ). He appeared in Volume 1, when he summoned Issei requesting to give him magical powers, having no way of doing so upsets Mil-tan, he cheers him up by watching his favorite series "Magical Girl Milky Spiral 7 Alternative".
Mil-tan is shown to be stronger than an average human, being capable of withstanding Serafall Leviathan's Demonic Power that puts other humans to sleep. In Volume 6, he was also able to battle the Witches from Khaos Brigade using his bare hands. He is also able to avoid letting Vali sense his presence. Serafall has also expressed interest in adding Mil-tan into her peerage during the Magical Girl scouting event.
He remains as Issei's regular client when he became a High-class Devil and also prefers summoning him via bicycle. Mil-tan is currently being tutored by Lavinia Reni in magic alongside Aika Kiryuu who is her senior, Lavinia mentioned that Mil-tan flew across the sky on a trunk instead of a broom.
Voiced by: Harumi Sakurai (Japanese)
Mika is a businesswoman and a regular client of Yuuto Kiba. She usually calls him to cook meals for her as she's always tired when coming home from work and takes naps as he prepares it for her.
Voiced by: Ryota Takeuchi (Japanese)
The Unnamed CEO is the president of a large unnamed company and a regular client of Akeno Himejima. He usually calls on Akeno to relieve the stress he builds up during work by having her massage his feet while wearing a skimpy bondage suit.
Voiced by: Kenta Sasa (Japanese)
Nishiura is a professor at a museum where he researches ancient civilizations from around the world and is a regular client of Rias Gremory. He calls on Rias' help to identify artifacts brought into the museum.
Voiced by: Risa Tsubaki (TV Momo) & Arisa Noto (Alarm Clock Momo) (Japanese), Elisa Castillo (English)
An anime-exclusive character, she is an adult video actress who portrays the tokusatsu heroine Kaben Rider Pinky (花弁ライダーピンキー Kaben Raidā Pinkī?, lit. "Pedal Rider Pinky", based on the Kamen Rider Series). Issei, Matsuda, and Motohama are all huge fans of her. She appears in the first episode of the anime where the Perverted Trio are watching Kaben Rider Pinky, and in the last episode as one of the various characters featured on Issei's alarm clock (albeit voiced by a different actress).
One of Issei's clients who appeared in the side story "The Work of a Devil", an American college student who is studying abroad in Japan due to having a fascination with Japanese culture which she decorates her room with. Susan is donned in samurai armor for protection as she comes off as shy and overly terrified and tends to swing her Katana when in a state of panic. While Susan's entire appearance is hidden, her only notable feature is her long blonde hair done in three drill-like curls. She requested Issei to accompany her to her University to retrieve her notes due to being too scared to go alone. Susan then made another request to help her convey feelings to her crush since she's too shy, Issei suggests her writing a love letter, which she does so and sends the message on an arrow.
Voiced by: Shinobu Matsumoto (Japanese), Chris Smith (English)
A man donned in knight's armor and Susan's main crush, Horii appears to have a fascination with medieval England and tends to speak in old English dialect. He appeared at the end of the side story "The Work of a Devil", having received Susan's love letter when she shot an arrow and it hit his helmet. Horii accepted Susan's love for him and the two became lovers.
Tanmon Momochi (百地 丹紋, Momochi Tanmon) is an Iga-Ryu ninja staying in Kuoh Town that is unwillingly dragged into the mess of the Three Factions by Metatron and Armaros due to a misconception of the two leaders on what Ninjas are. He was later made into a VIP for both Heaven and the Underworld, opening a Ninja Dojo in the Underworld.
Umeko Bakusan (爆散 梅子, Baku-san Umeko) is the present head of the Bakusan family and head of the flower arrangement school that Rias, Sona and Seekvaira visit in order to be a part of Rias' bridal training.
He is the manager of a games store run by the Gremory clan that has a secret club for humans to play Devil games which Koneko and Morisawa are both members of. He is a middle-aged man and has known Koneko for a long time as she is known to him as "the white cat".
Kiyome Abe's Father
Kiyome's father has the appearance of a man of large build with a stern look, his attire is noted to consist of a cape and a helm with horns on it, giving the impression that he comes from a world where violence is law. He is described as a stubborn and strict individual, someone who makes sure to always follow through once he makes a decision, he also gives off the pressure of a dangerous atmosphere. While he loves his daughter Kiyome, he forces her to through an arranged marriage despite her constant refusal.
To break off her engagement, Kiyome has Issei to pretend to be her boyfriend, he then challenges him to see if he is fitting to become his daughter's groom through three matches where they pin a Youkai to battle in a specific trial. After Issei successfully goes through each of the trials, Kiyome's father cancels his daughter's engagement.
Santa is a notably mythical figure (based on the real-life person Saint Nicholas) who brings gifts to the homes of well-behaved children on Christmas Eve (24 December) and the early morning hours of Christmas Day (25 December). While he is thought to be just a myth to anyone from the human world, his existence is relatively known to other supernatural beings, as shown in Volume 18 when Rias confirms his existence is real to Issei who never met or received a present from Santa as a kid to which Koneko claims that it's due to him being a perverted child.