Gao-Nii is a lion serving as the leader of his group. He proves reliable by consistently watching for people in trouble and proactively addressing their needs, such as ensuring they use the bathroom before departure. Gao-Nii exhibits a preference for vegetables. His primary narrative function involves patrolling to identify individuals requiring assistance and collaborating with his group to resolve community troubles. The character's name is derived from "gao," representing the sound of a lion's roar. Across all available official media, including the 2023 television series and the 2024 web anime sequel, he is consistently portrayed as the group's leader.