I do a lot of "doodles", there is even, some people that started what they call "doodle art",...I have so many "doodles" they would not all fit on the entire internet,...but this one I did recently, is kind of interesting,...I used it in a answer for yahoo answers, and got the "best answer" award !
http://mx.answers.yahoo.com/question/?qid=20110702202429AA9UClG