BRAINS

That wonderful pink mush at the top of you, which tells you what to do =]

looks a bit squished for a brain

I'd be worried to get near him in case he smelt of fish

The power of the imagination? or one seriously fucking painful headache

SKIP THE JUMP for a kidtastic brain, with the tattoo skills of a (preschool) master.

XKCD

For fans of the comics see if you can work out what panels they're from.

I'll start off easy

yay for graph jokes

"I'm not very good at this":

Even I have no idea what this is from (but google found it for me =] )

and a slightly easier one

Links to the comic strips after the jump