I used to believe that moose were NOT real, that the cartoon moose was a made-up animal. I also believed that "Jack-A-Lopes" (half rabbit half antelopes) WERE real. I was 21 and in college before I found out MOOSE were real animals.
A childhood belief about general

others believed things like this
- I used to believe all deer were girls, and all moose were boys. Anon
- i used to believe dragon ball z was real
and namek was in another dimension
and every show on tv was realAnon - I thought cartoons were real, I remember asking my mom why there were lines around the "actors" in a cartoon.— Steven Graziano
- I used to believe that boys were like robots and had no real feelings, that they were not even real people.— Lisa
- I used to believe that unicorns were real animals until I was about 16...lol...— Tara
- I used to believe cartoons were real people and animals. They were just wet.— Wendy