From what I understand, that is the... 'gimmick' behind the restaurant.

( For better or worse, he's not sure. Pausing in eating, he considers Hythlodaeus' question. Azem may not be here, but there is someone else. Even if that person themselves makes more questions arise in Themis' mind than they answer. )

Not that I have seen. But their familiar is -- or, at least what I presume is their familiar. Things are, unfortunately, a little fuzzy when I think too hard upon it.