Gigapede

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

I'm told the second Baldr fight features this

Valentine

Final Boss

Dragon Heartless
Xemnas Dragon also exists too I guess

Big skeleton bird heartless in Port Royale

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

Also a Dragon

Sandbird (might cheat the enemy aspect but eh)

Dragon

Deathwing