I thought the Simpsons weren't humans, but birds. This was because of their yellow skin, and Homer's beard looked like a beak.
A childhood belief about cartoons

others believed things like this
- When I was 6 or 7, I believed that people could have yellow skin like in the simpsons— Noah
- I thought Oklahoma was named after my Uncle Homer. (Pre-Simpsons)Anon
- I used to believe that the people who "colored" The Simpsons ran out of skin-toned crayons.Anon
- I was convinced that children weren't humans, only adults were, children were a total different race!— Leda
- When I was young, I used to wonder what if the animals turned into humans while the humans were away.— Kirk
- i used to think a small man named homer lived in my grandmother's freezer and made ice. — ana