Matsuzō Matsuno is the father of the Matsuno sextuplets and the husband of Matsuyo Matsuno. In the setting of Osomatsu-kun: Iyami wa Hitori Kaze no Naka, he appears as a resident of a longhouse, working as a craftsman to support his family while his wife manages the household. His background as a hardworking provider is consistent with his role as the family’s breadwinner, though the specific story focuses on other characters. He is an acquaintance of Iyami, sharing a long history with him as a fellow member of the community. Matsuzō’s personality is generally steady and dependable, reflecting his position as the head of the household, and he is depicted as a diligent worker. His motivations center on the well-being of his family, fulfilling his responsibilities without seeking attention or adventure. In the OVA, his role is that of a background figure within the longhouse community, and he does not undergo any significant development or display notable abilities beyond his craftsmanship. His key relationships include his wife Matsuyo, his six sons, and his casual acquaintance with Iyami.