I'm told the second Baldr fight features this

Sandbird (might cheat the enemy aspect but eh)

Final Boss

Gigapede

Big skeleton bird heartless in Port Royale

Dragon Heartless
Xemnas Dragon also exists too I guess

Someone reminded me that the piece of shit Saviour boss fits the criteria so fuck

Dragon

kind of, sort of, I guess the big flying nobody at Marluxia's final phase is part of Marluxia, sure whatever

Deathwing

Also a Dragon

Valentine