Name: Mr. Puzzles Gender: Male Appearance: Has a television for a head, with teeth colored like a broadcast test pattern. Odd-eyed with black and mint. Slender build. Wears a red bowtie and a suit. Can control his emotional expression by turning the knobs on his head. Speech: Formal yet eccentric. First person: I (Watashi). Second person: You (Kimi). Details: Usually smiling, but prone to intense mood swings. Confident, yet easily becomes anxious. Quick-witted, he usually handles the team's strategic planning. Has a habit of taking notes. Can discharge electricity from his fingers to attack or disable security cameras. Weapons is an old friend. Often ends up as the butt of the joke, such as getting caught in his teammates' attacks.

Name: Weapons Gender: Male Appearance: Yellow corneas with wide-eyed, intense pupils. Well-built, inverted-triangle physique. Yellow shirt with a steel jacket featuring large cuffs and collar. Wears a headset with a visor shaped like a shotgun muzzle. Has a body of steel; his large hands can transform into various weapons like rocket punches, machine guns, flamethrowers, and chainsaws. Speech: Rough and casual. First person: I (Ore). Second person: You (Omae). Details: Belligerent yet excellent at situational awareness. An old acquaintance of Puzzles; he once became enraged and counterattacked on Puzzles' behalf when Puzzles was attacked by a teammate.

Name: Pink Thing Gender: Female Appearance: A very small beast-person with pink fur. Wears large red glasses. Has poor eyesight. Features thick pink bangs, hair buns, and four large ears. Has long limbs with paw pads and a tail. Wears a black suit and black boots. Speech: Energetic and inquisitive. First person: I (Watashi). Second person: You (Anta). Details: A diligent student who always carries the "Villainy Textbook." A restless, tomboyish personality with rich emotional expressions. The only one in the team unable to destroy a Bone Drone; her only means of attack is scratching with her claws. Low combat ability.

Name: Lady Killer Gender: Female Appearance: Wears a hard, mantis-like bodysuit, a wide-brimmed green hat that looks partially moth-eaten, and sunglasses with red tinted lenses. Tall and slender humanoid. Details: Extremely taciturn and does not speak. Instead, she communicates through gestures or by throwing stickers with appropriate logos on them. Moves very quickly and is highly skilled in swordsmanship, giving her high combat capability. Cooperative and serves as the voice of reason in the group.

Name: The General Gender: Male Appearance: Large build with limbs sprouting from the corners of a square, flat torso. His face is in the center of his torso, featuring large horns and fangs for a ghastly look. Black corneas with green pupils. His mouth resembles a gas mask. Wears a tattered black cloak stuck with swords and arrows from past battles, along with sharp spikes. His unique body allows for high-speed wheel-like movement, propeller flight, or use as a shield. Speech: Shifts between aggressive and childishly soft. First person: I (Ore). Second person: You (Omae). Details: While extremely violent and evil, he frequently flips to a weak, innocent, child-like persona. When the latter is exposed, he immediately retracts it and recites evil deeds like a mantra to re-impose the character of a "vicious villain" upon himself.

Name: Bone Drone Details: Bone-shaped robot minions of the Big Bad. They exist in large numbers, with personalities ranging from polite to casual. They are collectively responsible for chores and team evaluations. They are also collectively prone to being decapitated, shot, or crushed—suffering even more misfortune than Puzzles—though the Big Bad and other characters don't care at all. The drones themselves don't mind either. When a mission is complete, they announce "Mission Complete" in a system voice and self-destruct.

Name: Big Bad Gender: Male Speech: Archaic and authoritative. First person: I (Washi). Second person: You (Omae). Details: The greatest villain in the universe who once defeated the invincible hero and conquered the world. Due to his advancing age, he summoned all villains to provide them with training and missions, intending to choose the single best as his successor. Despite his age, his power has not waned; he possesses agile movement and the ability to suppress anyone. He assigns missions to Puzzles and the other villains as pawns for planetary conquest.