Well Santa actually DID exist in a form... there was a guy named Nikolas who was really rich and used to go around roughly on Christmas eve and give homeless kids or the kids in orphanages presents. Then Coke commercialised the idea...
THOUSANDS OF YEARS AGO...
Santa came First Christmas is a Pagan Holiday. The Christians tryed to stop people from celebrating,when they couldn't get them to stop,they declared from now on we'll celebrate Christ's Birthday on this day. Even though according to records Christ was born in the Summer.
Quirky nature of two myths mixed together
Read up on Saint Nicholas.
He absolutely did, he was the north star. Atleast that's what the Easter bunny told me.
It was really Santa and his elves who created the world.