I used to think an evil spirit type thing called Wango lived in my dog. I was terrified of that dog.
A childhood belief about cats and dogs

others believed things like this
- I used to think that a family of evil bears lived in my grandparent's attic.— jasonchic
- I used to thing that vikings lived 50 years ago.— Sigrid
- I used to think the Black Country region in the UK was called that because everyone lived in darkness there.— K
- I used to believe that a morman was a scary person who lived underground(actually called a moleman).— Mike
- I used to believe that tv people were tiny famous people that lived inside that box with a window called TV.— Miguel Horacio
- I used to believe that a pigeon was a type of pigAnon