FF7: Yuffie Kisaragi
Yuffie Kisaragi is a Materia Hunter whose main goal is to restore her homeland of Wutai prior to the Shinra Electric Power Company conquering it. She initially joins Cloud's party mostly out of self interest, especially after they defeat her when she attempts to steal their Materia, she genuinely befriends them. Though obnoxious at times, she can become a loyal, energetic, and valued party member.
She is an optional character who wields shurikens in battle and is trained in ninjutsu.