Robin and her both have that sultry, dark, mysterious badass energy.
But for parallels with Zoro and Rayleigh, no idea as all of Zoro's "love interests" are not exactly "strong" and thus can have a legacy like Shakky is implied to have.
If Oda had written Hiyori/Komurasaki far better, she would have been ideal imo.
Robin would make a God tier bartender with her fruit too.