This site asks you to think of a Character and then answer the questions and it will attempt to guess who you are thinking of..
http://uk.akinator.com/
i love this site, i know that the programming is just a load of IF gates and could be written in basic . But it never fails to amaze me!
i have tried it with Dwayne Dibley, Uncle Bulgaria, Gena the crocodile from Russian animation Cheburashka.. As long as you answer honestly and accurately it will probably get the right answer.