Jasper because he tried to kill Bella. Nah, because he seemed sweet and he was the character that I connected the most with. I don't how to explain it.
I was tempted to put "EDWARD!!!11!! HEZ SOOO HAWTT!!!! AHHHH!!!!" just to see if I would get comments like "ZOMG I TOTALLY AGREEEE!!! LOL OMG!!!!!! HE IS SOOO MUCH HAWTER THAN THAT STUPID MUTT!!!!!" But I decided that I wanted to put a serious answer...