Ermat Zimm

From Memory Alpha, the free Star Trek reference

Ermat Zimm was a Bajoran artist.

In 2371, Quark used a portrait of Deep Space 9 that Ermat had drawn on several inscription pens he was selling during the Gratitude Festival. (DS9: "Fascination")

According to the Star Trek: Deep Space Nine Companion, Ermat Zimm was an in-joke reference to DS9 production designer Herman Zimmerman.