Edgar glitches in Kefka's end speech

I'm not feeling particularly motivated to try it with more emulators, just what I had on hand.  But the glitch shows up for
ZSNES: https://i.imgur.com/RTpDgmU.png
SNES9x, well on PC this time: https://i.imgur.com/elrFAoc.png

It's looking like this is just a bug related to your party composition.  IDK what causes it but maybe somebody will poke around and find out some day.