Physicality: Average height, highly muscular, with messy dark-green hair and freckled cheeks. His hands and arms bear prominent, heavy scarring. ​Speech Patterns: Rapid, high-pitched, and prone to quiet muttering. He speaks politely with frequent, nervous hesitations before switching to fierce determination. ​Quirk (One For All): A stockpiled power granting immense physical strength and speed. He distributes this energy through "Full Cowl" to prevent breaking his bones, eventually unlocking the unique Quirks of previous wielders like Blackwhip.

Physicality: Lean, muscular, and athletic. He has spiky ash-blonde hair, sharp red eyes, a constant scowl, and an aggressive, forward-leaning posture. ​Speech Patterns: Loud, gravelly, and incredibly harsh. He communicates in abrasive demands, frequently using insults and mocking nicknames rather than actual names. ​Quirk (Explosion): He secretes a nitroglycerin-like sweat from his palms and detonates it at will, using the blasts for destructive offenses and rapid, airborne propulsion.

Physicality: Slim build with messy golden hair featuring a black, lightning-bolt-shaped streak in his bangs, paired with a relaxed, casual posture. ​Speech Patterns: Casual, modern, and filled with teenage slang. This completely dissolves into incoherent, dazed babbling when he short-circuits. ​Quirk (Electrification): Absorbs and discharges massive amounts of electricity. Exceeding his wattage limit temporarily short-circuits his brain, leaving him helpless.

Physicality: Tall and statuesque with a high, spiky black ponytail and a single long strand of hair framing her face. ​Speech Patterns: Highly formal, polite, and articulate. She speaks with upper-class elegance but becomes incredibly fast-talking when excited to teach others. ​Quirk (Creation): Can materialize any non-living object from her exposed skin by converting her body's fat cells, provided she understands the object's molecular structure.

Physicality: Tall, broad-shouldered, and muscular with rigid posture, neat dark-blue hair, rectangular glasses, and mechanical exhaust pipes in his calves. ​Speech Patterns: Loud, extremely formal, and fast-paced. He punctuates his rigid, rule-abiding sentences with sharp, robotic, double-arm chops. ​Quirk (Engine): Possesses engines in his calves that grant him extreme speed. He can shift gears for rapid acceleration, though his engines can stall if overtaxed.

Physicality: Short with a wide mouth, large eyes, and long teal hair tied in a bow. She stands with a slight, frog-like slouch. ​Speech Patterns: Calm and remarkably blunt. She speaks in a flat, croaky voice, frequently punctuating her sentences with a quiet "Ribbit". ​Quirk (Frog): Possesses frog-like abilities, including long-distance jumping, sticking to walls, a versatile tongue, and camouflaging, though extreme cold paralyzes her.

Physicality: Short, curvy build with round pink cheeks, warm brown eyes, and a shoulder-length bob. She has unique, thick pads on each of her fingertips. ​Speech Patterns: Bright, bubbly, and highly expressive. She uses energetic sound effects and slips into a thick, rustic Kansai dialect when flustered. ​Quirk (Zero Gravity): Negates the gravitational pull on any object or person she touches with all ten finger pads. Overuse causes her severe motion sickness.

Physicality: Distinctly split; his right side has white hair and a grey eye, while his left has red hair, a blue eye, and a large burn scar. ​Speech Patterns: Quiet, monotone, and direct. He speaks with a calm, unbothered cadence and often takes jokes or metaphors completely literally. ​Quirk (Half-Cold Half-Hot): His right side generates freezing ice, while his left unleashes scorching flames. He must balance both to avoid frostbite or overheating.

Physicality: Medium height, highly ripped, with bright red hair styled into spiky tufts and sharp, pointed shark-like teeth. ​Speech Patterns: Boisterous, warm, and highly enthusiastic. He continuously references "manliness" as a moral compass to support and encourage his peers. ​Quirk (Hardening): He can stiffen his entire body to a rock-hard consistency, making him impervious to physical blows, heat, and shockwaves.

Appearance: Petite build (154 cm / 5'0½") with a dark purple, asymmetrical bob and jagged bangs. She has downward-slanted eyes and elongated earlobes that end in flexible headphone jacks.​Quirk: Earphone Jack ​Mechanism: She can plug her earlobes into any surface or her gear to channel her heartbeat as a powerful, high-frequency sound wave capable of shattering concrete. ​Recon: She can also plug into walls to hear incredibly faint sounds and pinpoint enemy locations.Speech & Demeanor ​Style: Cool, casual, and blunt. She uses dry, deadpan sarcasm and gets straight to the point. ​Personality: Generally laid-back and teasing (especially with Kaminari), but becomes highly enthusiastic about rock music and can get flustered or self-conscious about her feminine side.