I used to believe Santa Claus lived in the clouds, as opposed to at the North Pole. I may have been mixing him up with simplified depictions of God.
A childhood belief about father christmas

others believed things like this
- I thought Santa was the President of the North Pole. It was stupid I know
lol— Lynn Wright - I used to believe that the North Pole was the coldest place in the world and the South Pole was the hottest...— Logica
- i used to believe that a elf familly lived on my window, long after a new my parents were Santa Claus— anna
- When I was 5 years old, I used to believe Poland was snowy and cold all year round, like the North Pole. — Sara
- I used to believe that, if God would die, Santa Claus would be boss.— Judith
- I used to believe that the Holy Trinity was Dad, God and Santa Claus!— Cathy P.