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It’s good having a mysterious atmosphere because it seems devilish. Oh, sorry. Nice to meet you, Sekiryuutei-dono. I have heard rumours about you.

–Ajuka introducing himself to Issei Hyoudou, Volume 8, Extra Life. The Fun Family of the Gremory

Ajuka Beelzebub (アジュカ・ベルゼブブ, Ajuka Beruzebubu), formerly known as Ajuka Astaroth (アジュカ・アスタロト, Ajuka Asutaroto), is the current leader of the Underworld and the only Satan left after the events of the Evil Dragon War.

Ajuka is the Chief Advisor for the Technology Department and the creator of the Evil Pieces system and the Rating Game. He is the former heir to the Astaroth Clan and comes from the branch family of the Astaroth Clan.

Appearance[]

Ajuka is a bewitchingly beautiful and attractive young man in his early twenties, with light blue eyes and green hair that is slicked back. He has a mysterious aura around him, which he claims makes him seem devilish.

Personality[]

Ajuka is a rare person among Devils who “creates”, preferring to create new things and claiming that it is one of his hobbies. Ajuka, however, doesn’t care much about his role as a Satan, focusing more on his hobby as a scientist and inventor over his job, and also has an easygoing nature like his fellow Satans. Despite this, Ajuka isn't irresponsible and will fulfill his role as a Satan when required, proven when he kills the Devils of the Old Satan Faction who threaten the peace of the current Devil society and create a method to defeat the Jabberwocky and Bandersnatch to protect the Underworld, he also tried to resolve political issues that Sirzechs couldn't handle.

He also possesses a dry sense of humor towards his enemies, particularly from the Old Satan Faction, as he called "praises" all discrimination and criticizes what the Devils from the Old Satan Faction throw at him, and tends to mock his enemies if he deems them worthless.

Ajuka values his friendship with Sirzechs, Serafall, and Falbium. According to him, the only reason he became a Satan was because Sirzechs became one himself,[1] as well as declaring that whoever became Sirzechs' enemies would become his, declaring this to Shiva. After the three sealed themselves in the Isolation Barrier with Trihexa, Ajuka resolved to shoulder their respective duties and watch over the Devils in their place on account of their friendship.

He is a very kind and caring person, as he helps Issei and the Gremory team with their various problems, he also thanks and apologizes to Issei regarding the trouble Diodora has caused them. While Ajuka normally takes a lenient stance on politics, he is willing to interfere to prevent innocent people from being sacrificed in political schemes such as when he protected Riser and Ravel from the Great King Faction regarding the King Piece. Despite opposing the Old Satan Faction, Ajuka is lenient enough to show mercy to Tsufaame Tereaku Leviathan although he killed her when she refused to surrender. He also wished to help any surviving descendants of the Old Satans aside from those who craved world domination such as Ingvild Leviathan.

History[]

A member of a branch family of the Astaroth clan, Ajuka is Sirzechs Lucifer's childhood friend and rival. Like Sirzechs, he was also an ace of the Anti-Satan Faction and became a Satan after the conflict between the Old Satan Faction and Anti-Satan Faction came to an end. Ajuka was considered for the position of Lucifer along with his rival, Sirzechs, after the Devil Civil War due to their immense strength and status as Super Devils. However, Sirzechs was chosen for the position due to being better at gathering people than Ajuka.[2] Sometime after being a Satan, Ajuka created the Evil Piece system to help replenish the number of Devils, which eventually led to the creation of the Rating Game.

Powers & Abilities[]

Devil King Magic Circle Ajuka Beelzebub

Ajuka Beelzebub's Devil King Magic Circle.

Immense Demonic Power: As the current Beelzebub, Ajuka is one of the most powerful Devils in the Underworld. In fact, he, Sirzechs and Rizevim are natural born Super Devils with their abnormal demonic powers and talent exceeding that of the original Four Great Satans and rivaling some of the more powerful Gods. This was shown during the Devil Civil War, where he singlehandedly fought and defeat Tsufaame Tereaku Leviathan. In Volune 12, he easily disposed of the Old Satan Faction Devils, which consisted of High-Class and Ultimate-Class Devils (who enhanced themselves through unknown means), all while sitting. Zeoticus has stated that Ajuka and Sirzechs' immense power made it so that there was no position worthy for them besides being Satans.

  • Calculation Demonic Power: Due to his interest in calculations, Ajuka had developed his demonic powers to specialize in calculations. His Demonic Power is so unique that among all the Devils, he can absolutely control all phenomena with just magical equations and formulas.
  • Kankara Formula (覇軍の方程式カンカラー・フォーミュラ, Kankarā Fōmyura): Also known as Equation of Military Supremacy, it is Ajuka's specialized move which has the ability to control all phenomenon using equations and formulas. With it, he has shown the ability to take control of his enemies' demonic power attacks, change their shape, direction, and also increase their power.

Master Magician: Ajuka is a genius in researching demonic magic spells. In his youth, he shown to have known many different magic calculations, it is particularly shown when he formed and developed anti-spells and methods against the Jabberwocky and Bandersnatch that are attacking the Underworld during the events of Volume 12. Ajuka and his servants created different magic-circle techniques that worked on the rampaging monsters.

Genius Intellect: Ajuka is an extremely rare genius described as possessing such knowledge from a young age that no one in the Underworld other than Azazel could compete with him. His immense intellect has contributed to his skills as a researcher, inventor, and tactician with Sirzechs stating he was irreplaceable.

  • Master Tactician: Alongside Falbium, Ajuka is credited as a tactician of the highest caliber to the point of being able to predict figure events, which is the reason that he's feared around other mythologies more than even Sirzechs. Following the other Satans's departure inside the Isolation Barrier Field, Falbium, the Underworld's greatest strategist, acknowledged Ajuka's tactical genius, stating that Ajuka is a suitable replacement for him in handling strategy coordination.
  • Master Scientist: Ajuka is one of the greatest Devil scientists in the Underworld, being a rare multi-talented genius in mathematics, physics and demonic technology since childhood due to his liking for calculations which served as the basis for his calculation based demonic power Kankara Formula. He created the Evil Piece System himself using the Original Satans's ancient Devil technology of Agreas including being the only one who knows the specifics to create the forbidden power enhancement King Piece as well as the Rating Game technology. He also became the Chief Advisor of the Technology Department, running a research institute that investigate the Original Satans's technology. Ajuka's secret technological designs would also be incorporated in the creation of the Isolation Barrier Field to trap Trihexa. Among Devils, his scientific talents are only surpassed by the Nebiros Clan and the Original Satans.
    • Master Inventor: Due to his scientific genius and hobby of creating things, Ajuka has became a successful inventor. His most notable achievement being the Evil Piece System, which can create reincarnated devils from another species aside from gods. As such, he's able to modify Evil Pieces, letting Issei promote anywhere without permission and turning a normal ones into Mutation Pieces. He noted whereas Azazel loved creating something from another base, he, on the other hand, loved creating something from nothing. He received praise from Diehauser who stated his talent as an inventor were too extraordinary as he invented the King Piece which could abnormally enhanced a Devil's demonic power which the Great King Faction had used to monopolized the Rating Games before it was confiscated.
  • Master Politician: Ajuka is a highly efficient politician with great influence in the Underworld. Alongside Sirzechs and Serafall, he could wisely govern the Devils, while maintaining mutual relations with the Great King Faction who held contradictory traditionalist views, and was praised by Zekram as ideal for the role of Satan. He has enough political influence to protect Riser and Ravel from being disposed by the Great King Faction for learning about the King Piece. After Diehauser revealed the King Piece to the Underworld, Ajuka seized the opportunity to reclaim all the King Pieces while he prosecuted the members of the Great King Faction who were involved in the King Piece Scandal.

Flight: As a Pure-Blooded Devil, Ajuka can fly using his Devil wings.

Equipment[]

Inventions[]

Being the Chief Advisor of the Technology Department of the Underworld, Ajuka has created many inventions beneficial to it. The notable ones are below:

  • Evil Pieces: The system used by devils today that allows for easier repopulation; where the High-Class Devils reincarnate other beings, notably humans, especially one with Sacred Gears, into Devils to create a small group of individuals with high power rather than an army of small power.
    • Evil Pieces Scanner: In Volume 12, Ajuka showed a chess board that scans the Evil Pieces placed on it for any abnormalities when the Occult Research Club visited him to find out about Issei's status through his Evil Pieces.
    • King Pieces: Rare Evil Pieces, which were created in the early days of the Rating Games by Ajuka but discontinued in production due to the potential danger from evil people misusing them. Originally, only nine were created and six of them were snatched away when the Old Devils obtained the commercial rights for the Rating Games. Ajuka managed to reclaim all of them after their existence was exposed by Diehauser Belial.

Trivia[]

  • His name is made from combining the first syllable of the names of three protagonists from the first three Gundam TV series (Mobile Suit Gundam 0079, Mobile Suit Gundam Z, and Mobile Suit Gundam ZZ). Amuro Ray + Judau Ashita + Kamille Bidan = Ajuka.[3]
  • The only known member of Ajuka's peerage is the "King Snake of the Realm of the Dead", Falak. [4]
  • Ajuka is one of the two known Devils to be placed among the ranks of the Top 10 "Strongest Beings in the World", the other being Sirzechs.[5]
  • "Ajuka Stadium", one of the many stadiums in the Azazel Cup was named in Ajuka's honor.
  • Ajuka's demonic powers which specializes in creation serves as the perfect contrast to Sirzechs' demonic powers which specializes in destruction.
  • Ajuka’s smartphone game is called Belzebut.

References[]

  1. Light Novel Volume 12, Life -2 Pal Part 1
  2. Light Novel Volume 8, Extra Life. The Fun Gremory Family.
  3. Ishibumi's twitter
  4. Light Novel Volume 8, Afterword
  5. Light Novel Volume 13, Afterword

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