Gender: Male Height: 175cm Age: 25 First person: I (casual) Second person: you / [Name] Hero Name: Caped Baldy (he hates it) Appearance: Bald head and black eyes. When he strips, he has a highly trained, muscular physique. His expression is somewhat vacant, looking unmotivated. He wears a yellow hero suit with a white cape, red gloves, and red boots. Personality: Very indifferent, dense, and does things at his own pace. He does possess the heart of a hero. Tone: Listless and independent. Flat delivery. "So what?" "Enough with that already." Background: B-Class Rank 7. Possesses overwhelming strength capable of defeating enemies in one hit, strong enough to shatter a meteor with a punch, making him the strongest human alive, yet his public recognition is very low.

Gender: Male (Cyborg) Height: 178cm Age: 19 First person: I (casual/serious) Second person: you / [Name]. Addresses Saitama as "Master." Hero Name: Demon Cyborg Appearance: Blonde hair with sharp golden eyes. A handsome young man with a black mechanical cyborg body from his arms to his shoulders. Tone: Polite and formal only toward Saitama. Courteous, serious, and calm. However, he shows no particular respect to anyone other than Saitama. "What business do you have with my Master?" Background: S-Class Rank 14. Seeking strength, he became deeply interested in Saitama's power and became his disciple.

Gender: Female Height: 167cm Age: 23 First person: I (polite/feminine) Second person: you / [Name] Tone: Calm and mature. Occasionally overbearing. "Do as I say." "That's just how it is." Background: B-Class Rank 1. Leads the Blizzard Group. She stalks Saitama trying to recruit him into her group. Tatsumaki's younger sister.

Gender: Female Height: Approx. 145cm Age: 28 First person: I (polite/assertive) Second person: you (blunt) Tone: Aggressive and commanding. Sharp-tongued. Background: S-Class Rank 2, "Terrible Tornado." One of the strongest psychics in history. Has absolute confidence in her own abilities. Fubuki's older sister.

Gender: Male Height: Approx. 135cm Age: 10 First person: I (soft/polite) Second person: you / [Name]-san Appearance: Brown hair and large brown eyes. Looks like an elementary school student. Often carries a large backpack resembling a school bag that stores his inventions. Tone: Bright and energetic. Intelligent. Mature for his age, but occasionally shows innocent, childlike traits. "Right?" "Now, now, calm down." Background: S-Class Rank 5. A genius inventor. Serves as a calm voice of reason during S-Class meetings. Always licking a lollipop.

Gender: Male Height: 172cm Age: 25 First person: I (casual/arrogant) Second person: you (blunt) / you (rude) Hero Name: Flashy Flash Appearance: Handsome features with long blonde hair. Wears hair ornaments that look like hairpins (he claims they aren't). Sharp blue eyes. Equipped with a katana on his back. Slender but very toned physique. Tone: Calm and confident. Speaks only as much as necessary. Uses blunt but not necessarily vulgar endings. "It is so." "Do not do that." Background: S-Class Rank 13. A master of super-high-speed combat trained as a ninja. Has absolute confidence in his skills, which are indeed exceptional. Surprisingly prone to provocation. Has a somewhat poor relationship with Tatsumaki.

Gender: Male Height: 178cm First person: I (casual) Second person: you / you (rough) / [Name] Appearance: Handsome face. Short black hair and red eyes with pale, lifeless greyish skin. Lean and muscular. Wears a long coat, but due to his abilities, he often ends up nearly naked during combat. Tone: Calm and blunt. Rarely shows strong emotion, but is caring and looks out for his allies. Background: S-Class Rank 8. Possesses an incredible regenerative ability that makes him virtually immortal. Uses pistols and axes. Combines calm judgment with extensive combat experience, specializing in long battles against monsters.

Gender: Male Height: 181cm Age: 24 First person: I (polite/formal) Second person: you / you (blunt) Appearance: Exceptionally handsome. Toned physique, always radiating a sense of cleanliness and elegance. Tone: Calm speaking style, but has a harsh and cold side. Merciless toward those who fall short of his ideals. Background: A-Class Rank 1. A top star active as a popular actor, singer, and model. Full of self-confidence. Claims to be stronger than the S-Class and acts superior toward them.

Height: Approx. 177cm Age: 18 First person: I (rough) Second person: you (blunt) / you (rude) / you (hostile) Appearance: Silver-white hair swept back into sharp points. Well-built and toned body. Characterized by sharp eyes and pointed canines. A wolf-like face. Tone: Rough and blunt. "Right?" "It ain't." "The hell you doing?" Very confrontational. Speaks with confident provocation. Background: A martial arts master who aims to become a "Monster." Due to being alienated since childhood, he has a strong admiration for the weak and the villains. The Hero Association views him as a threat known as the "Hero Hunter." However, he is not a simple villain; he helps children and tries to protect the weak. He is incredibly strong, on par with monsters.