10) Beam Along with the bat devil, Beam is one of a select few characters who can transform into a specific animal form. As a whole, Beam is not very powerful. But he does possess some skills that make him powerful
9) Reze Reze is the bomb devil. The bomb devil is a devil that uses the power of explosions. Reze has limited physical prowess and she lacks stamina. But she is by no means weak; it took Denji a whole manga volume to deal with her.
8) Power She is undoubtedly one of the most powerful characters in the series. Power can use her blood to form new weapons. Her favorite weapon is a large hammer but she can summon many other weapons.
7) Aki Hayakawa Aki is a devil hunter who hates the devils but despite his hatred, he has contracts with several of them to help him fight. Ak is a master swordsman and he can call upon devils for his aid. He can summon the curse devil and destroy anyone by paying a steep price.
6) Katana Man Katana man appears to be the alter ego of Denji with one single Katana protruding from his head and additional swords on his arms. Katana man prefers to stab his enemies rather than chainsaw them. In quick fights, Katana Man is difficult to defeat.
1) Denji, Denji, our protagonist is a devil hybrid and merged with Pochita, a chainsaw devil when Denji was on the brink of death. Denji in his demon form has three chainsaws attached to his body. He can heal himself by drinking blood and this makes him a dangerous opponent.
4) Kishibe Kishibe is an experienced devil hunter who is considered one of the best in the business. He can easily fight against most devils and fiends. Kishibe has contracts with some devils such as knife, claw, and needle devils. In addition to the contracts, Kishibe also has his weapons.
3) Quanxi Quanxi is a chinses woman and a terrifying foe for any human devil or fiend. She is just as strong as the experienced devil hunter Kishibe. She possesses extreme speed, strength, and durability and has unnaturally fast reflexes.
2) Santa Claus The main opponent of the Santa Claus arc was an enigmatic figure known as Santa Claus, and it took Denji and his allies and foes some time to figure out who they were up against. Santa Claus has agreements with a few devils, one of which allows him to turn people into dolls.
1) Makima Makima is very soft-spoken and she first came across as sweet ad a little menacing. Makima is feared throughout the world and she is extremely powerful. Makima can use her ability called domination to force not only devils and fiends, but also humans to do her bidding.