I'm a spelling-and-punctuation fan, I sing to myself constantly and I start one hundred tangential conversations without ever getting to a resolution. I'm a non-stop nonsense machine with an overactive mouth and underactive social sensitivity. I think funny noises and funny faces constitute humour and I sometimes pretend to be a robot.
** UPDATE **
I was going to update my profile, but I genuinely can't think of how to improve it. I describes me perfectly... (btw. I like to ride the fine line between ironic boasting and actual boasting.)
** UPDATE II **
This is my favourite thing of all time:
http://xkcd.com/258/