When I was a little girl my grandfather told me that Mickey Mouse was his cousin. I thought how lucky can one kid get!!! He still tries to get me to believe it.
A childhood belief about cartoons

others believed things like this
- I thought that "slipping someone the Mickey" had something to do with Mickey Mouse— stymie
- When I was little I wanted to go to Disneyland as soon as I could, before Mickey Mouse died.— Mary
- Someone I know IRL used to believe that Goofy (Mickey Mouse's friend) was a walrusAnon
- I used to think the song"jesus, oh what a wonderful child so holy, meek and mild" was "so holy, Mickey Mouse"— Stephani
- My great-grandfather firmly believed, and had me convinced, that SPAM was mouse meat. — texasblue
- I used to think that when I moved the mouse around on the mouse pad, I was giving the computer a massage.Anon