When my younger sister and I were little, I told her that there was a monster who lived in the toilet and that every one million flushes he would come out and "get you". To this day, she still fears the toilet monster.
A childhood belief about fear of

others believed things like this
- I used to believe that their was a toilet monster named johny.— sexyallie_69
- I used to believe that monsters lived in my toilet and they ate my poop and urine when i flushed the toilet.Anon
- I thought the boogey monster was a monster that ate boogers at night in front of youAnon
- I Used To Believe The Monster Beverage/Energy Drink Was Monster Milk!— KellGirl
- i used to believe that a monster lived in the garbage disposal. i would never go near the sink— Whitney
- I thought that toilet paper was bread and by puting it it the toilet i was feeding the ducks at the bottem.— Gringo