Erm...
I: Fighter, Thief, White Mage, Black Mage
IV: Cecil, Rosa, Kain, Rydia, Edge
VI: Locke, Celes, Edgar, Sabin
VII: Cloud, Yuffie, Vincent
X: Tidus, Yuna, Lulu
X-2: Alchemist Yuna, Berserker Rikku, Dark Knight Paine
XII: Vaan, Penelo, Basch