Yuffie is a fictional character from the popular video game series Final Fantasy. She first appears in Final Fantasy VII as a young ninja and materia hunter from the village of Wutai. Known for her energetic personality and playful demeanor, Yuffie often seeks to collect materia, which are magical orbs that grant abilities and spells. In the game, Yuffie joins the main protagonist, Cloud Strife, and his group as they fight against the antagonist Sephiroth. Yuffie's skills include agility and stealth, making her a valuable asset in battles. She also has a unique limit break called "Doom of the Living," showcasing her combat abilities.