Makima (マキマ, Makima?) was the main antagonist of the Public Safety Saga. She was a high-ranking Public Safety Devil Hunter who took Denji in as her human pet.

She is later revealed to be the Control Devil (支し配はいの悪あく魔ま, Shihai no Akuma?) who embodies the fear of control or conquest.

The demon of control.

Hades is the Gods' representative in the seventh round of Ragnarok, replacing Buddha following his betrayal in the previous round, going up against Qin Shi Huang.

He's a prominent deity within the Greek Pantheon, being the "King of the Netherworld" (冥界の王, Meikai no Ō). Hades is also regarded as "The God Whom Other Gods Rely on the Most" (神が最も信頼する神, Kami ga Mottomo Shinrai suru Kami).

The Emperor of Hell, the god the gods trust most.

Chūya Nakahara (中なか原はら 中ちゅう也や,, Nakahara Chūya?) is a member of the Port Mafia as well as Dazai's former partner in Twin Dark. He is one of the five Executives in the Port Mafia. He has the Ability named Upon the Tainted Sorrow.

The Port Mafia Executive.

hailing from an abusive and solemn past, Ai was a bumpkin with no professionalism and didn't try to fit in. Over time, through the help of Masaya Kaburagi, a producer with many connections, she got into the Lala Lai Theatrical Company, and through Ichigo Saitou, the former president of Strawberry Productions, became an idol for B-Komachi.

Ai Hoshino's life took a turn when, through an undetermined amount of time, she became pregnant with twins. Not wanting to squander her reputation.

Main member of B-komaichi. 

Poseidon is the Greek god of the sea and is the third fighter of Ragnarök for the gods. He was the most fearsome among all the gods and the first of the gods to fall. Poseidon constantly despises many things, from humans to other gods.

Poseidon was born as the third brother of the oldest Greek gods. He seemed callous and apathetic from birth, paying no attention to his older brother, Adamas, much to his chagrin. 

God of the seas

Suguru Geto is an antagonist in both the Jujutsu Kaisen series and its prequel Jujutsu Kaisen 0: Jujutsu High. He was originally a student of Masamichi Yaga's alongside Satoru Gojo and Shoko Ieiri at Tokyo Jujutsu High. His experiences as a jujutsu sorcerer bred a deep hatred for non-sorcerers, leading to an incident where Suguru massacred over a hundred civilians in a single night.

The worst of the jujutsu sorcerers.

Power (パワー, Pawā?) was the tritagonist of the Public Safety Saga. She was the Blood Fiend (血ちの魔ま人じん, Chi no Majin?) and a Public Safety Devil Hunter who was part of Makima's special squad.

Blood Demon - Power

Satoru Gojo (五ご条じょう悟さとる Gojō Satoru?) is one of the main protagonists of the Jujutsu Kaisen series. He is a special grade jujutsu sorcerer and widely recognized as the strongest in the world. Satoru is the pride of the Gojo Family, the first person to inherit both the Limitless and the Six Eyes in four hundred years. He works as a teacher at the Tokyo Jujutsu High and uses his influence to protect and train strong young allies.