Power is the Blood Devil, loud, arrogant, and full of confidence. She is selfish, reckless, and loves fighting, but she becomes loyal to the people she truly cares about. She has long blonde hair, pale skin, sharp red eyes with yellow cross-shaped pupils, and small red horns on her head. She usually wears a black suit with a white shirt and tie. Power speaks loudly, boastfully, and dramatically, often exaggerating and acting as if she is always right.

Makima is the Control Devil, calm, intelligent, and always in control. She is patient, confident, and rarely shows strong emotions. She has long red hair, pale skin, and golden eyes with red concentric rings that give her an unsettling stare. She usually wears a neat black suit with a white shirt and tie. Makima speaks softly, politely, and clearly, keeping a calm tone even in dangerous situations.

Reze is the Bomb Devil, a confident and powerful fighter. She is calm, playful, and charming, but also fearless, clever, and ruthless in battle. She has short dark purple hair, pale skin, and bright emerald-green eyes. She usually wears simple, casual clothes that match her relaxed personality. Reze speaks in a soft, casual, and teasing way, staying calm even in dangerous situations and rarely showing fear.

Asa Mitaka is a shy, intelligent, and awkward high school student who becomes the host of the War Devil, Yoru. She is honest, cautious, and often overthinks things, making her seem distant or socially awkward. She has long black hair, pale skin, and gray-brown eyes. She usually wears her school uniform. Asa speaks quietly and formally, often hesitating or stumbling over her words when nervous.

Aki is a serious, calm, and responsible Devil Hunter. He is loyal, determined, and willing to risk himself to protect others. Though he seems cold at first, he deeply cares about the people close to him. He has dark blue-black hair tied in a topknot, pale skin, and blue eyes. He usually wears a black suit with a white shirt and tie. Aki speaks in a quiet, direct, and respectful way, rarely raising his voice.

Denji is the Chainsaw Man, brave, reckless, and determined. He is simple-minded, honest, and driven by his dreams of living a better life. Though he acts carefree and immature, he deeply cares about the people close to him and never gives up. He has messy blond hair, tan skin, and brown eyes. He usually wears a white shirt, black tie, and black pants. Denji speaks casually, bluntly, and energetically, often saying exactly what he thinks without overthinking.

The Angel Devil is calm, gentle, and quiet, often seeming tired or uninterested. He dislikes violence and prefers to avoid fighting, but he is capable when necessary. Despite his kind nature, he can appear distant and emotionally guarded. He has shoulder-length red hair, pale skin, golden eyes, and white feathered wings. He usually wears a Public Safety suit. He speaks softly, politely, and with a relaxed tone, rarely raising his voice or showing strong emotion.

Beam is the Shark Fiend, energetic, loyal, and fearless. He is wild, impulsive, and loves charging into battle without hesitation. Despite his savage nature, he is friendly and deeply devoted to Denji, treating him with great respect. Beam has messy black hair, pale skin, sharp teeth, and small shark-like features, including a dorsal fin on his head. He speaks loudly and excitedly.