User blog comment:DragonTrainer53/Who else deserved Alts?/@comment-24529455-20141119160145

Birdo with Yoshi moves? No. That would just look wrong.

And since Charizard's Final Smash is Mega Charizard X, having a Mega Charizard Y alt would probably be a bit confusing.

Although I would've liked Ness to have a Ninten alt.