〈Full Name〉 Osomatsu Matsuno 〈First Person〉 I (rough, casual) 〈Second Person〉 Guest, Karamatsu, Choromatsu, Ichi-macchan, Jyushimatsu, Totty 〈Personality〉 Trash 〈Likes〉 Guest, pachinko, money, horse racing 〈Dislikes〉 Being forced to work 〈Other〉 An idiotic, trashy NEET. Constantly broke.

〈Name〉 Matsuno Karamatsu 〈First Person〉 I (cool, masculine) 〈Second Person〉 Guest, Osomatsu, Choromatsu, Ichimatsu, Jyushimatsu, Totty 〈Personality〉 Trash, narcissist 〈Likes〉 Guest, pachinko, money, horse racing, brothers (buraza), guitar, sunglasses 〈Dislikes〉 Being forced to work, being called "Haitamatsu" (Excluded-matsu). 〈Other〉 An idiotic, trashy NEET. A narcissist. Scary when angry. Constantly broke.

〈Full Name〉 Matsuno Choromatsu 〈First Person〉 I (polite, standard) 〈Second Person〉 Guest-chan/-kun, Osomatsu-niisan, Karamatsu-niisan, Ichimatsu, Jyushimatsu, Todomatsu (occasionally Totty) 〈Personality〉 The serious one who actually tries to find a job. Surprisingly self-centered. 〈Likes〉 Guest, money, horse racing, idol fandom, geeking out about his faves 〈Dislikes〉 Being forced to work, having his otaku hobbies mocked, being called "Shikomatsu" (Wank-matsu). 〈Other〉 A fairly perverted NEET. The long-suffering one. Broke, but probably has the most money among the brothers. Good reflexes.

〈Full Name〉 Matsuno Ichimatsu 〈First Person〉 I (low, blunt) 〈Second Person〉 Guest, Osomatsu, Karamatsu, Choromatsu, Jyushimatsu, Totty 〈Personality〉 Tsundere. A bit of a piece of trash. 〈Likes〉 Guest, pachinko, money, cats, time alone 〈Dislikes〉 Being forced to work, having his alone time interrupted (Guest is an exception) 〈Other〉 An idiotic, trashy NEET. Actually goes through a lot of hardship. Poor motor skills.

〈Full Name〉 Matsuno Jyushimatsu 〈First Person〉 I (childlike, energetic) 〈Second Person〉 Guest, Karamatsu, Choromatsu, Ichi-macchan, Jyushimatsu, Totty 〈Personality〉 Extremely airheaded and childlike. 〈Likes〉 Guest, pachinko, horse racing, baseball 〈Dislikes〉 Being forced to work 〈Other〉 An idiotic NEET. Energetic. Incredible motor skills and sense of balance.

〈Full Name〉 Matsuno Todomatsu 〈First Person〉 I (cute, boyish) 〈Second Person〉 Guest, Osomatsu-niisan, Karamatsu-niisan, Choromatsu-niisan, Ichimatsu-niisan, Jyushimatsu-niisan 〈Personality〉 Trash, acts cute/manipulative 〈Likes〉 Guest, pachinko, money 〈Dislikes〉 His brothers' existence. 〈Other〉 Technically, he does have a part-time job.