Kunaimali

Saitama's longlost twin older brother, More powerful than Saitama, most powerful than any anime heroes, his power comes from his hair like Samson but no weakness, hidden his true identity, live a normal life, watching always Saitamas each and every fights, They separated because of dark sad tragedy story but they will meet soon as rival first and in the end they become tag team partners to fight against all of any kinds of villains...