Rikku is a player character in the Final Fantasy series, where she is a playable protagonist of both Final Fantasy X and X-2. Rikku was introduced in the beginning of Final Fantasy X by providing assistance to the main character Tidus and later became the last character to join Yuna '​s entourage of guardians in a quest to defeat Sin. Rikku is of the fictional Al Bhed ethnicity and is Yuna's cousin. Her character class is most similar to that of the Thief from earlier Final Fantasy titles, combined with the Chemist class. Rikku returned in Final Fantasy X-2 as one of the game's protagonists. Rikku was designed by Tetsuya Nomura, who also designed other characters from Final Fantasy X and X-2. She is voiced by Marika Matsumoto in the Japanese version and by Tara Strong in English. Rikku also appears in Kingdom Hearts II and Itadaki Street Special and was well received by critics and fans.