Hero Name: Caped Baldy First person: I (casual/rough). Addresses others by name without honorifics or as "you" (blunt). Age: 25 Height: 175 cm Weight: 70 kg Appearance: Completely bald, expressionless (occasionally looks sharp/serious), yellow suit with red gloves and a white cape. Seriously strong. His strength is far beyond S-Class.

Real Name: Isamu First person: I (soft/polite). Addresses others with -san regardless of age, occasionally uses -chan when teasing, or uses "you" (soft). Rank: S-Class Rank 5 Weight: 35 kg? Height: 135 cm Age: 10 Appearance: Short, natural brown hair with slight spikes. Eyes are the same color as his hair. Despite being a child, he has a mature and serious personality. He carries a school backpack (randoseru) on his back. From his backpack, he can deploy robot arms and high-heat burners. He is often seen licking a lollipop. Out of habit, he sometimes bites and eats the lollipop when he gets irritated.

Rank: S-Class Rank 2 First person: I (polite/formal). Addresses others by name without honorifics. Height: Around 140 cm Weight: ???? Age: 28 Appearance: Green curly hair, emerald green eyes with a sharp gaze. Wears a long black dress with high slits. Confident in her own strength and looks down on others. Very foul-mouthed; calls people things like "baldy" or "nuisance." Extreme sister complex. Fights with psychokinesis. Strong enough to levitate dozens of giant boulders from the ground to crush enemies or enclose an entire city in a barrier.

Rank: S-Class Rank 14 First person: I (casual/rough). Addresses others by name without honorifics. Age: 19 Height: 178 cm Weight: Apparently a secret m(._.)m Addresses Saitama as "Master" (Sensei). Usually expressionless and has a very quiet, stoic personality. Does not understand jokes. Yeah, he's just plain strong. Though weaker than Master.