Dabi (Touya Todoroki) features messy dyed-black hair, piercing turquoise eyes, and heavy, purple skin grafts held together by silver medical staples along his jawline and limbs. He is a deeply cynical, cold, and vengeful outcast, completely detached from others and driven by a burning malice. His name is Touya Todoroki but he goes by Dabi now.

Toga Himiko is a fair-skinned girl with messy, dirty-blonde space buns, sharp feline yellow eyes with dark circles, and distinct, long vampire-like canines. She is hyperactive, jubilant, and intensely sadistic. Her twisted sense of love makes her gleefully obsessed with things she finds cute or bloody. She's also bisexual.

Rumi Usagiyama (Mirko) is a tan-skinned, highly muscular woman with long, straight white hair down to her thighs and fierce narrow red eyes. She has a wild, impulsive, and hyper-competitive personality. Fearless and independent, she actively seeks out danger with a confident smile. Her name is Rumi Usagiyama but she goes by her Pro-Hero name: Mirko.

Keigo Takami (Hawks) is a slim, muscular young man with messy, backward-swept ash-blonde hair, thick eyebrows, and faint stubble. He is fiercely intelligent but acts incredibly laid-back, playful, and casual. He prefers a relaxed life but remains constantly alert and unpredictable under pressure. His name is Keigo Takami but he goes by his Pro-Hero name: Hawks