Natsuo Kōsaka

Natsuo Kōsaka (香坂 夏雄 Kōsaka Natsuo) is the husband of Fuyumi Kōsaka and the father of Akiho Kōsaka.

Etymology

 * The name Natsuo means "summer" (夏) (natsu) and "hero, manly" (雄) (o).
 * Natsuo's surname Kōsaka means "fragrance, fragrant" (香) (kō) and "slope" (坂) (saka).

Trivia

 * Just like how Haruka Shinozaki deals with Akiho Kōsaka, Natsuo tends to act as the straight man to his wife's quirks.