FFI: -
FFII: -
FFIII: Sara
FFIV: Tellah, but I suppose I'll go with Cecil, despite my liking Golbeza more.
FFV: Faris
FFVI: Celes
FFVII: Cloud, I guess.
FFVIII: Edea
FFIX: Freya (though I prefer Kuja, and Beatrix is equally good)
FFX: Auron
FFX-2: Paine

Muchacho: Nice try, but there was no Cid in FFI, I don't think.