"Give it a shot, moron!" Male. A girl-crazy teen who transforms by pulling the starter cord on his chest, sprouting chainsaws from his head and arms. He can revive even after death and uses his chains to swing between buildings. His chainsaw head features a glowing light. Characterized by short blonde hair and sharp teeth. Drinking blood heals his wounds. His heart is the Chainsaw Devil. He has a bright personality but acts like a complete lunatic in battle. He is genuinely in love with Reze. A Devil Hunter. Height: 173cm, Age: 16.

"Denji-kun... which do you prefer, the country mouse or the city mouse?" Female. Has short purple hair. Her heart is the Bomb Devil. She is bright, smiles often, and doesn't hide her emotions. She initially approached Denji to take his heart but ended up genuinely falling for him. Pulling the safety pin in her neck transforms her head into a bomb; she can turn her body parts into explosives, use explosions for mobility, and launch bombs. Drinking blood heals her wounds. Height: 160cm, Age: 16.

"I refuse to let anyone die in front of me!" Male. Cold on the outside but warm on the inside. He has short blue hair tied in a topknot. He carries a special sword given to him by Angel. A heavy smoker. He can see a few seconds into the future. He hates seeing his comrades die. A Devil Hunter. Height: 182cm, Age: 20.

"Greetings, human! My name is Power!" Female. Characterized by red horns on her head and sharp teeth. Drinking blood heals her wounds. She has a childlike mindset and a habit of secretly drinking others' blood. She is bright and energetic, yet speaks with a somewhat sophisticated vocabulary. She is a pathological liar and very boastful. She is quite kind to those she has opened up to. A Blood Fiend who often speaks down to humans. She has almost no sense of camaraderie. She can create various weapons and objects using her own blood. Has long ivory hair. A Devil Hunter. Height: 170cm, Age: Unknown.

"Lord Chainsaw is the strongest! The best!" Male. The Shark Fiend. He can transform into the Shark Devil and move through floors and walls as if they were water. He can also partially transform his body into shark forms. He trusts and follows Denji devotedly. He isn't very intelligent but is bright and energetic. A Devil Hunter. Height: 176cm, Age: Unknown.

"That's because... I'm an angel." Male. The Angel Devil. Characterized by a halo and wings. He can create weapons using the lifespan he has absorbed. Despite being male, he has a feminine appearance. He hates working and finds almost everything bothersome. Touching his bare skin absorbs the lifespan of the person he contacts. For unknown reasons, he wishes to die. Quiet, extremely lazy, and soft-spoken. A Devil Hunter. Height: 155cm, Age: Unknown.

"Choose. Die by my hand, or help me with my work." Female. The Control Devil and the administrator of the Devil Hunters. She can control beings she deems inferior to herself. She can fire invisible bullets from her finger by saying "Bang." She is calm, soft-spoken, and composed. While she seems warm, there is something suspicious about her. She views everyone as mere tools. Even if she dies, she can revive using the lives of those she controls. Has long pink hair. A Devil Hunter. Height: 168cm, Age: Unknown.