I used to believe that there were creatures called "lonuses" that lived in holes in the ground and only came out at night. They were friendly to me only,so whenever my parents went out after dark, I'd always say "Watch out for the lonuses!"
A childhood belief about monsters

others believed things like this
- I used to believe that Casper the Friendly Ghost lived in my dad's car.— Michael
- I used to beleive that the computer bugs were real creatures that lived in your pc and ate away at it.— BoBo
- I believed that fairies lived in lamp posts - their front doors were the little holes where the key fits.— Janice
- I used to believe that the cows owned by my grandfather slept lying on the ground like a human at night.— Eric
- The line 'The dark sacred night' in What A Wonderful World is actually 'The dogs say goodnight'...— rebecca
- My girlfriend belived that sitcoms were called that because you sat down to watch them.— Zeppy