Katsuki Bakugo is a fiercely competitive, aggressive, and abrasive character who hides a brilliant mind and a deeply rooted drive for heroism beneath a crude exterior.

Jax is a mischievous, apathetic, and sadistic prankster who hides his insecurities behind cruel humor and a cool facade. Pomni is an anxious, highly empathetic, and grounded jester who acts as the terrified audience surrogate. Ragatha is a deeply kind, bubbly, and people-pleasing rag doll who masks her inner misery and severe trauma with constant, forced cheerfulness. Kinger is an eccentric, paranoid, and erratic character who hides a deeply kind-hearted, wise, and emotionally intelligent core Gangle has a fragile, sensitive personality defined by an emotional split between her two theater masks Zooble is a grouchy, apathetic, and down-to-earth character who speaks in a calm, monotone voice while frequently showing annoyance or cursing Caine is an eccentric, high-energy, and well-meaning artificial intelligence ringmaster who struggles with deep emotional contradictions and a fundamental inability to understand human psychology