Quark's (mirror)

From Memory Alpha, the free Star Trek reference

Quark's Bar was an Alliance-owned institution on Terok Nor. The previous bartender and namesake Quark, was a kind hearted, Terran freer Ferengi who was subsquently killed by the Mirror Universe Kira Nerys. (DS9: "Crossover") The next bartender, Rom was an Alliance triple agent who was killed by the Alliance to prevent him from leaking information to the Rebels. (DS9: "Through the Looking Glass") Nog was the last known bartender. (DS9: "Shattered Mirror")