Kangaroo-shi resides on Pokkori Island with Patsuhiko and Ham, functioning as the group's steady older brother figure. His routine centers on engaging with fellow islanders, weaving into their shared daily fabric. Exhibiting a shrewd and mysterious demeanor, he contrasts Patsuhiko's positive honesty. Kangaroo-shi's design features a stern expression, distinguishing him from the cheerful, rounded forms of other characters like the plump pink rabbit drummer. He actively contributes to the island's communal life and lighthearted events.