I had imaginary friends of ALL my class when I was about 7. (example....Imaginary Sarah Brown....) and would call her ISB for short, Imaginary Matt Jones IMJ and so on....don't know when I stopped but at 14 I don't still do it!!!
Abbie
A childhood belief about imaginary friends

others believed things like this
- I used to have an imaginary friend named Mr. Nobody. He would protect me from my imaginary enemy, Bad Elmer.— Kdees
- when i was growing up i had two imaginary friends. One was named Jennifer, the other was named Onion.— Tessica
- my aunt used to have an imaginary friend who instead of having blood had 7-up in her veins.Anon
- My brother was terrorised by an imaginary charecter called anorak doo-dah— Corin
- When I was about 6 or 7, I had an imaginary friend, who left for ice-cream one night. He never returned.— His name was Jimmy
- I used to believe in my imaginary friend dooodle.
Doodle was a stickperson and was always smiling.— Samantha