When I was a kid I found it hard to say "Sebastian". I always pronounced it "Sebastican".
A childhood belief about names

others believed things like this
- i used to believe that the hard toe caps on rugby boots were made from giant ants found in the amazon!— eryll
- 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
- I used to believe that L-M-N-O-P was 1 letter, pronounced elemenopeeAnon
- I used to believe that the name Giselle was pronounced "gazelle"— Derek