Tifa Lockhart is by far the most interesting and deep character in the Final Fantasy Universe. She appears in Final Fantasy VII. Her kind, caring nature and her strength combined with her astonishingly beautiful appearance makes any fan of the series appreciate her that much more.
Final Fantasy X
Final Fantasy 7 Yuffie, Cloud Strife, Tifa Lockhart, Cid Highwind, Aerith, Red xiii, Vincent Valentine, Barrett, Catsith