V: Krill
VI: Relm
IX: Eiko

Just kidding, my real list.

I: Garland (He's knocks stuff down)
II: Leila (Pirate's are awesome.)
III: Cloud of Darkness (For no other reason then being awesome in Dissidia.)
IV: Rydia (Badass by any other name)
V: Faris (She can be a pirate-ninja)
VI: Celes (She can Dual-weild Ultima Weapons and swing them around eight times)
VII: Yuffie (I like Yuffie)
VIII: Selphie (I like Selphie)
IX: EikoVivi (The most badass adorable doll thing ever)
X: Rikku (But not so much in X-2)
XII: Ashe (Princess who is actually not weak, but useful!? Sign me up)