I've looked around and no one has sadly even thought about characters from these 3 awesome RPG'S. I can't really remember who made all of them so that's why I'm asking about 3rd parties. I guess I'm also suggesting these guys for Brawl in a way also...
Baten Kaitos:
-Kalas
-Sagi
Both potential clones for Pit due to their wings
Tales of Symphonia:
-Lloyd
-Kratos
-Sheena
-Zelos
Playing this game was almost like playing Smash during it's battle sequences
Skies of Arcadia Legends:
-Vyse
-Gilder
I know this one isn't likely but it was still pretty awesome and memorable
Baten Kaitos:
-Kalas
-Sagi
Both potential clones for Pit due to their wings
Tales of Symphonia:
-Lloyd
-Kratos
-Sheena
-Zelos
Playing this game was almost like playing Smash during it's battle sequences
Skies of Arcadia Legends:
-Vyse
-Gilder
I know this one isn't likely but it was still pretty awesome and memorable