Rosa doesn't need her own character.
3DS FC: 1478-4144-3572
Trying to motivate myself to play: Tales of the Abyss, Ocarina 3DS.
except worse. "Carp? Shark? Nonsense! The only fish species we need alive is bass. Fish the rest to extinction!"
I can only imagine Snake's Bayonetta codec.
Ah, I missed your point. Figured you were sayin' N realistically deserves a slot that Ninty would take initiative on rather than that. Agreed in regards t' N. The other protagonists (ya play as) however, no. If their manga counterparts ain't taken into account; which they shouldn't since Smash stars characters from games; they've absolutely no personality nor specific Pokemon they use.
Lucky good ol' Red (and Blue for that matter) had their reappearances in GSC.