I used to think a troll lived on my building's top floor/attic. One time, my neighbor came to my mom crying, all cut up and bruised and I thought the troll got her.
A childhood belief about monsters

others believed things like this
- Once I thought these two teenagers who used to wash my mums car lived in our attic. Hahaha!— Roxanne
- I used to think that a family of evil bears lived in my grandparent's attic.— jasonchic
- i used to believe that edward scissorhands lived in our family friend's attic.Anon
- I used to think the Empire State Building was called the "Ten-past-eight building".— Alex
- I used to believe that the people that worked in stores slept right there on the floor and lived there. Anon
- i used to believe that a mortgage was a big pirates chest that my mom and dad used to keep in the attic. — lou