

True it would have to be physically grounded somehow. Maybe an obscure and uncharacteristically benevolent hyper rich fella sets up camp in the north pole.
I guess if we want Santa to exist historically it would take a religious level of interest and investment in ancient times. He would have to be reveared as a god and donated to. Then the organization can have the resources to get everyones Christmas list and send out presents on Christmas.
Best I can offer is Hannah Montana linux