There is no greater success story in Star Trek than the story of Quark, the Ferengi. Deep Space Nine struggled to garner the same popularity that The Next Generation and even Voyager achieved, which might be why so few of its characters have gone on to appear in other Star Trek projects. Star Trek: Picard revealed what Worf had been up to since he left Deep Space Nine, but fans have been left in the dark with every other character.