For a long time, I was afraid to go to sit on the toilet because I feared that Satan would come up from the hole while I was pooing.
Since Satan's in hell and at the time, I thought toilets had pipes going deep underground, I just assumed he would try to rise through a pipe.
A childhood belief about fear of

others believed things like this
- on "highway to hell" i always thought it goes "baby see, baby do" instead of "hey satan, payin´ my dues"— Miss Understood
- I used to believe that my cat was a reincarnation of the buddha and was sent by satan to squash me.— Nazza
- I used to believe that I couldn't eat deviled eggs because they were from satan and possessed.— Char
- I remember back in sunday school that if you stomped on the ground you would hurt satan. Anon
- I once believed that Tusken Raiders from Star Wars Where a Type of Demon like Satan in the BibleAnon
- For a very long time I believed that there were little men underground that changed the traffic lights!— Melissa