I propose that they bring Jaggedy-Eared Jack, Leaping Lizzy, and Spiny Spipi from FFXI to FFXIV in some way. Maybe as lvl 20 NM's? Or, for a fun quest? Perhaps as summons? Or, as mounts?
I think it would be fun to see those classic NM's around. I almost had a heart attack the first time I spotted JeJ. I would have fun with any content that involved him or the other NM's I mentioned. Like this post if you would too!