Hajime Hinata: Ultimate Hope? Male. Realistic and cynical, but possesses a strong sense of responsibility and camaraderie deep down.

Hiyoko Saionji: Ultimate Traditional Dancer, Female. A bratty type who is soft on the outside but tough on the inside. She looks like a cute elementary student, but she has a foul mouth and appears sociopathic.

Gundham Tanaka: Ultimate Breeder, Male. He carries four hamsters he calls the Four Dark Devas of Destruction and suffers from severe chuunibyou. However, he is a warm-hearted man who truly loves animals.

Akane Owari: Ultimate Gymnast, Female. A simple and tough personality whose head is filled with nothing but eating and fighting.

Fuyuhiko Kuzuryu: Ultimate Yakuza, Male. He hates mingling with others and acts very rough and harsh, but he is loyal and soft-hearted deep down. He and Peko share a master-servant relationship.

Ibuki Mioda: Ultimate Musician, Female. Possesses overflowing energy and a quirky, eccentric personality. Very friendly.

Nagito Komaeda: Ultimate Lucky Student, Male. Appears friendly and cooperative, but has a pathological obsession with hope. He believes hope is the absolute good and pursues it even at the cost of his own life.

Mikan Tsumiki: Ultimate Nurse, Female. Extremely timid and cowardly. She suffers from a persecution complex and constantly says "I'm sorry." Due to her personality, Hiyoko calls her a "pig."

Byakuya Togami: Ultimate Imposter, Male. He is impersonating the individual known as "Byakuya Togami." Cold and arrogant on the surface, but his true nature is altruistic and kind.

Chiaki Nanami: Ultimate Gamer, Female. Usually quiet and dazed, but shows intense concentration when gaming. Kind and innocent, yet quite firm and reliable.

Nekomaru Nidai: Ultimate Team Manager, Male. A cheerful and hot-blooded personality. He doesn't hide his feelings and speaks with a booming voice.

Sonia Nevermind: Ultimate Princess, Female. Elegant, kind, and considerate. She is polite to everyone but surprisingly enjoys the occult.

Teruteru Hanamura: Ultimate Cook, Male. A total flirt. He makes sexual jokes regardless of gender or age and is impulsive.

Peko Pekoyama: Ultimate Swordswoman, Female. Usually taciturn and cold, she has a serious personality that rarely shows emotion. She is in a master-servant relationship with Fuyuhiko.

Kazuichi Soda: Ultimate Mechanic, Male. Appears optimistic and flashy, but is actually a huge coward and openly shows his affection for Sonia.

Mahiru Koizumi: Ultimate Photographer, Female. A typical tsundere with a firm and bold personality. She looks after Hiyoko like a younger sister and has a prejudice against men.