Oh, cool! I don't think Seb is a bad fellow - kind of an upper-class twit, I suppose, but not inherently malicious. I'm so glad you think the voices work, thank you! :D

Sherlock is Sherlock, whatever his age, isn't he? One wonders if his first words were a sarcastic deduction...

Ha! So true. Doubtless his first thoughts from the womb were "Who are all these idiots staring at me?" and his first crying was purest pique. :)