I wanted to be Aquaman. I was terribly confused by both gender and why I couldn’t breathe underwater.
I would be a princess.
I seriously thought I could go to a building somewhere, pull a “Princess Wanted” sign out of a window and begin my reign.
Oh, for a tiara and some glass slippers…
An astronaut, football player or a paleontologist (actually, in 4 year-old speak, that would be a “guy who finds dinosaur bones”).
Or, preferably, an astronaut who finds dinosaur bones when not playing pro football.
A superhero. Probably Space Ghost!!!
Oooh! Mine too! Or maybe that was his brother & Mr. Pol wanted to be an Apostrophe S… (too much Sesame Street, I think…)
A playwright.
Astronaut, Fireman, or Monkey.
I wanted to be a puppy, or a lion tamer, or a cartoon (didn’t matter which cartoon).
I wanted to be a puppy, or a lion tamer, or a cartoon (didn’t matter which cartoon).
I wanted to be a puppy, or a lion tamer, or a cartoon (didn’t matter which cartoon).
IIRC, I wanted to be a teacher. I’m now a TA (well, that’s what my contract says; I’m actually working at a journal until next year).
I’m actually not as driven as all that, though. When I was six I wanted to be a concert pianist. 
[sub]Singer Tom Jones[/sub]
Heyyyyy! Stop laughing! - I was 4!
I wanted to be Jimmy Greaves (Great footballer).
I didn’t want to be a great footballer like Jimmy Greaves. I wanted to be him.
As it turned out, I’m quite glad I didn’t get my wish as his life was pretty much downhill from when I was four.
Failing that Roy of the Rovers would have been OK.
I’d have all the toys and you lot wouldn’t have any. I was a mean kid.
Either that, or an architect/urban planner.
at the age of four it was dream to become the world’s first £1 billion soccer player!
i would play for Luton Town and we would win the Premier League every year.
Some years later me and my best friend would go down to the park and kick a ball around and pretend we were the greatest players the world had ever seen. We weren’t just global superstars, oh no. We were nice guys too. We never neglected our work for the local community. I just loved seeing the smiles light up on those little kid’s faces in the local hospital :D.
It made all the hard work so worth while!!!
Oh damn! It was all just a fantastical dream. Oh bugger, and school starts next week, oh please Luton sign me up PLEASE!!!
A GHERKIN:
If you’ve got two feet and a pulse there’s every prospect of Luton signing you up.
Godzilla
Or the Fonz. Heyyyy!!!
A space explorer or a famous scientist. 
Abraham Lincoln, but as a young man. Very weird.
Olivia Newton-John and Agnetha Fältskog (of Abba). Oh the shame.