I used to believe that the name "Geoff" was pronounced "Key-off" and that's where they got the name for the guy in 'Battle of the Planets'.
A childhood belief about names

others believed things like this
- I used to believe that the moon was another country and that all countries were little planets.Anon
- I used to believe that other coutries were other planets and you had to travel in a spaceship to go to Africa.— Sarah Jane
- I thought a "fallen soldier" was one who'd tripped and fallen during a battle.Anon
- i used to believe that 'island' was pronounced 'is-land' instead. I know im not alone on that one! :)
— Da KornMeal - I used to think that New York was pronounced "Yew Nork"Anon
- when i was little i used to think bumble bee was actually pronounced bumbow bee— cathy