Hiro Protagonist is the primary character in the story. In the first chapter, he is referred to as The Deliverator. After a Metaverse sword fight in The Black Sun, his name on the scoring list is written as Hiroaki Protagonist. Hiro's father was an African-American from Texas, and his mother was a Korean by way of Nippon. Due to his mixed race, he has light brown skin and almond eyes. Hiro lives in a U-Store-It storage unit with his roommate Vitaly Chernobyl, lead singer of Vitaly Chernobyl and the Meltdowns.