This regular bar patron in Quark's is first given the name of Morn in this episode. Morn's name comes from writer Peter Allen Fields, who made an anagram from the nickname of Hilary Norman Peterson, the barfly on the series Cheers.
Quark: The usual, Odo?
Quark: The usual. If all my customers were like you, my family would be begging in the Promenade.
Odo: Well, now. I believe a pair of twinned Miradorn just nodded your way.
Quark: (scoffs) I'm the man behind the bar. Obviously, they want to use a holosuite. You think the whole galaxy is plotting around you, don't you? Paranoia must run in your species, Odo. Maybe that's why no one has ever seen another shape-shifter--they're all hiding!
When the entire senior staff is gathered in Commander Sisko's office to discuss the situation of Croden and the Miradorn brother, Major Kira's ridge between her eyes has been improperly placed. It is slightly curved, with the top part of the ridge closer to right eye.