Final Fantasy VI Advance (E) Woolsey Slattery Compromise Patch

Even if it is possible, there may be some characters that will not have a portrait, compared to FF6 advance (Kefka, Gestahl, and Cid I think).

Still, it's going to be troublesome to do, since an extra byte will be needed each time a dialogue box is called (for the character ID), and there's no more space for events.

Lenophis mentioned a way of making more room for events by moving the game's text to another bank, but still this will take quite some time to complete, I guess.