My brother, Paul, used to believe that hand dryers in public toilets were actually dragons and hence had a pathological fear of going into the loos in case he got eaten!
A childhood belief about fear of

others believed things like this
- I thought the "To Let" signs on buildings meant they were public toilets.— Scottish Laddie
- I used to think that in public toilets, the cleaning lady actually lived in the supply cupboard.Anon
- My brother (who was 6 at the time) would never flush the toilet in fear of our new house being blown up! Anon
- i used to think that dragonflies were baby dragons.— internet freak
- I thought hills were dragons sleeping under the grassAnon
- I used to believe that princesses were make-believe like monsters, dragons, and fairies.Anon