At the 'tender' age of 17 I have 'Tiger', from the anime series Monster Rancher. He came around when I saw the series when I was 7 or 8.
He really just acts as my conscience, helping me chill when I'm mad, or sings to whatever I'm listening too.
A childhood belief about imaginary friends

others believed things like this
- When I was a child I used to believe that movies and series were real.Anon
- I used to believe that God looked like an enormous version of "Woody" from the Toy Story series.— Ryan
- I used to think a tiger was a female and a lion was a male... until I remembered Tony the Tiger.— Alysia
- I spent ages wondering what a bart ender was as a child without realising that it was actually bar tender.— Heather
- I used to believe that if i didn't eat all my frosties Tony the Tiger would come and eat me— Frostie
- I used to believe that being a tiger would be a job like plumber or layer. It was my dream job.— Dom