Sadaharu Inugami is a giant pet dog in the anime series Gintama, known for his massive size and white fur. Though appearing intimidating, Sadaharu has a playful and loyal personality, fiercely protecting the members of the Yorozuya, especially Kagura. Originally a guardian creature, his role often provides comic relief as well as action in battle scenes. Sadaharu's interactions highlight the strong bonds between the Yorozuya and contribute significantly to both the comedy and emotional moments in the series.