When I was little, I beieved that Horace and Jasper from the animated 101 Dalmations movie were going to climb in my second-floor bedroom window and kidnap me (It didn't help anything that my bed was right up against the windows).
A childhood belief about criminals

others believed things like this
- I used to think that dalmations were baby cows.— Marshmello Da Strawberry Cow
- I knew lightning could come in through my bedroom window and kill me.
— Cyn - When I was little, I used to believe I could fly from my bed but I didn"t ....I fell on the floor!Anon
- I used to believe that an animated film meant that the film had live animals in it.— reverb
- I used to believe that ear wigs would climb in your ears while you slept and make you go mad— troy
- when i was little i believed that when we watched a movie people had to act the movie all over a gen.
— Emmer