I'm not sure there is a fundamental difference. I've been spending my morning reading on christmas traditions, and they're all fluid enough to not have a canonical nature that predates modernity.What do you think is the fundamental difference between Russian Grandfather Frost and Santa Claus?
Oh, you've done a serious job. In fact, everything is more prosaic. This difference is that Grandfather Frost lives with his granddaughter Snow Maiden ( Снегурочка ), and Santa Claus lives with reindeer. This is a joke topic. I hope you caught the hidden ironic subtext.I'm not sure there is a fundamental difference. I've been spending my morning reading on christmas traditions, and they're all fluid enough to not have a canonical nature that predates modernity.
Fundamentally, it appears Santa Claus is based on Odin...
Santa Claus - Wikipedia
en.wikipedia.org
and Ded Moroz from a snow demon...
Ded Moroz - Wikipedia
en.wikipedia.org
Both I think are the personification of fierce winter weather.