Quark's Bar was an Alliance-owned institution on Terok Nor. The previous bartender and namesake Quark, was a kind hearted, Terran-freeing Ferengi who was subsquently executed by Intendant Kira Nerys. (DS9: "Crossover") The next bartender, Quark's younger brother 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") Rom's son Nog was the last known bartender before he was killed by the Intendant. (DS9: "Shattered Mirror")