As a little kid, I was very fond of Gumby, and decided that when I grew up, I wanted to be him. I even used to practise that one-footed slide he does on his show (I fell down a lot). No one told me that this wasn't a valid career option until I was 7. =)
A childhood belief about tv shows

others believed things like this
- I remember a girl in my kindergarten class told me she wanted to be a waterfall when she grew up.Anon
- I thought a Monkey was just a baby Gorilla and when they grew up their Tails fell off!— Brainhead
- I used to believe that I really COULD be anything I wanted to be when I grew up. I wanted to be a unicorn. Anon
- I used to believe that I would never grow up, because I "wanted" to remain a child. Ha. That one fell throughAnon
- I wanted to be an elephant when I grew up. — Vix
- When I was 5, I wanted to be a bunny rabbit when I grew up.— Carrie