I like them both! Very cool.
If you have to type in your username then shorter might be easier, but if its remembered on the site then I would go with what is most expressive for you.
clean helped me make my avatar meaningful to me, so you could also add in a pink cloud or something and also use the avatar to personalize.
Oh no, more to think about. Sorry!
Good names! I think its great you no longer feel soverylost
I still feel like a chair! Hahahaha