Theres an implication in the sandman netflix TV show that Hob is really unique for living so long ("Why would anyone want an eternity of this" as Dream says), while in the comic, in #43, its explicit that there are thousands of immortals or Old Ones. Is this worldbuilding change intentional? While some degree of anti aging magic clearly still exists with the Ruby and Mad Hettie still being ancient, is it significantly rarer in the TV show universe?
Hob is unique in that Death isn’t going to take him until he wants to go, per the terms of the bet. He’s not unique in being very long-lived. There are people in the Sandman universe much older than Hob, and you’ve met a few of them – a lot of them, if you include Dreams, Gods and Muses. But statistically, a few hundred or a few thousand people out of billions means show or book, it’s incredibly rare.