Komaru Sarutani stands among the younger male siblings in the Sarutani family, with three older brothers: Sarumaru Sarutani, Nakamaru Sarutani, and Daimaru Sarutani. He also shares the family with an older sister and a mother, maintaining consistent familial relationships across varied media portrayals.

Komaru appears in the 1985 television series adaptation and extends his presence into two theatrical films: *Pro-Golfer Saru: Challenge to Super Golf World!!* (1986) and *Pro-Golfer Saru: Kouga Hikyou! Shadow Ninja Golfer Arrive* (1987), marking his role within broader franchise expansions.