When I was little my grandpa would always call me "Joshy-Washy from Megatoshi." In high school I remember going through my Freshman year Geography text looking in the Mediterranean Sea for the island of Megatoshi.
A childhood belief about places

others believed things like this
- I used to believe that all the first names of judges was Justice till I was doing my 4th high school year.— Tafadzwa
- I used to think that girls' anuses were green. I remember thinking that as late as high school.— Jack
- I used to think that the Kama Sutra was the hindu religous text.— M!ke
- I used to believe you could edit a webpage in IE by highlighting and typing in the new text.Anon
- When I was in elementary school I use to think that teacher lived at school at their desks all year long.Anon
- I used to believe that you got married right after you finished high school or college. Anon