Keiki Haniyasushin is a goddess and a notable character in the Touhou Project series, making her debut as the final boss in 'Touhou 17: Wily Beast and Weakest Creature.' She is the goddess of haniwa (clay figures) and is revered by the animal spirits of the Animal Realm. Keiki is known for her calm and intelligent demeanor, as well as her ambition to revolutionize the society of beast spirits. Her role is pivotal, as she challenges the established order in the Animal Realm.