What's Final Fantasy Father Hironobu Sakaguchi Doing in my Kingdom Hearts?

This is Hironobu Sakaguchi, creator of Final Fantasy:

And this is Master Eraquis, recently revealed in Weekly Shounen Jump as teacher unto main characters Ventus, Tera and Aqua in Kingdom Hearts Birth by Sleep:

There's no mistaking that goochstache! But before declaring this a cameo, I'll wait and see if Eraquis looks like this after a surf.

[Seen at My Game Flash]