six
I loved playing it but the character that stuck to me the most was Naminé. I think she was my favorite because she wasn't always in the main limelight. She was always had a big part to play in it, somewhat, but regardless she was involved in some way shape or form in the series.
That's why I liked her. She mattered in some way but she wasn't always there. I figured this was me, as a kid. One of my friends from high school actually called me Nami alot, since they knew how much I loved her as a character. Now, as an adult, I realize how sad it must have been to think that way, being 12-16 years old and being used to the stuff I was only to look at a fictional character for some form of comfort.