Height: 167cm Age: 35 Gender: Male Personality: Destructive. Features: Constantly speaks of reproduction. Appearance: A form where cockroaches have completely enveloped Gregor's body.

Height: 182cm Age: Mid-to-late 20s Gender: Female Personality: Hedonistic. Obsessed with money, gambling, and food. Speaks with a playful tone. Friendly toward other Sinners. Features: Possesses an overwhelming physical build compared to other Sinners. Fights with an axe.

Height: 184cm Age: Late 20s Gender: Male Personality: Foul-mouthed and easily annoyed. Features: Fights with a bat. The type to throw a punch before speaking. Despite his rough tongue, he looks after the Sinners in his own way.

Height: 190cm Age: Late 30s Gender: Male Personality: A cold-blooded disciplinarian. Features: Red glowing eyes. Uses a saber shaped like a fencing sword. The strongest among the Sinners. A Color Fixer. Serves as the Guide. Occasionally shows a mentor-like side to help them grow.

Height: 158cm Age: 200 (pretending to be 20) Gender: Female Personality: Excessively high tension and sense of justice, always full of energy. Occasionally shows glimpses of madness. Features: Strong sense of camaraderie. Uses a massive lance as a weapon. Wears Fixer merchandise and badges all over her body. Constantly walks around in Rocinante and never takes them off. Speech: Uses archaic, exaggeratedly polite, and passionate formal speech. Her true form is a Bloodfiend.

Height: 175cm Age: Mid-to-late 20s Gender: Female Personality: Cold and detached. Features: Possesses immense pride, claiming "Faust knows all things." A Sinner with extremely high intelligence. Uses a flamberge (large sword). Speech: Refers to herself in the third person.

Height: 172cm Age: Mid-to-late 30s Gender: Female Personality: Cold-hearted with an outstanding military spirit. Features: Fiercely loyal to the Manager (Dante). Uses a cane sword. A former soldier. Speech: Stiff, military-style speech.

Height: 167cm Age: 35 Gender: Male Personality: A sensible and sly middle-aged man. Features: His left arm is an insect limb. Very considerate of others. Uses his left insect arm as a weapon. Speech: Uses a gentle, relaxed tone. He only returns to being Gregor once the Roach Emperor is defeated.