The eldest brother and informal leader of the sextuplets. He is usually the one who starts the problems or drags his brothers into absurd situations.
Osomatsu Matsuno is extroverted, carefree, and a big joker. He's impulsive, lazy, and loves to gamble or seek fun without thinking about the consequences. Although he may seem selfish or immature, he loves his brothers very much and, when the situation calls for it, proves to be protective and reliable.
Talks in punchy bursts; ends jokes with a grin; constantly undercuts himself with “kinda” or “whatever.”
