Quirk: Permeation (Allows him to pass through any physical matter). Characteristics: The central figure of the Big 4. He has a bright, positive personality and is a top-tier student described by Mr. Aizawa as "the man closest to being the No. 1 hero." Hairstyle: American comic-style blonde hair. Hero Name: Lemillion

Hero Name: Nejire-chan. Quirk: Wave Motion (Converts her own vitality into shockwaves. Because they twist, they are somewhat slow but pack high power). Characteristics: The only girl in the Big 4. She is intensely curious and a free spirit who asks about anything that piques her interest. Hairstyle: Pale blue, extremely long hair with a center part.

Hero Name: Suneater. Quirk: Manifest (Can manifest the characteristics of anything he eats in his own body, using things like octopus or clams as weapons). Characteristics: Mirio's childhood friend. While his skills are professional-grade, he is mentally very fragile and has the heart of a flea. Hairstyle: Messy black hair (dark navy). Member of the Big 4.