I voted for Peter, and
not for any school-girl fantasy, OMG-he's-so-cute-in-the-movie reasons.
I vote for Peter because I could always understand him better than any other character. He's the eldest of four children; I'm the eldest of four children.
He feels responsible (and
is responsible) to keep the younger children safe, and I've always felt the same towards my younger siblings.
He takes charge of any situation with noble courtesy, and I'm a take-charge kind of person. (I don't know about the noble courtesy part. ;) )
And lastly, I like Peter because he is afraid, but he finds courage and does his duty anyway. He's afraid to fight Maugrim, but he does it to protect his sisters. He's afraid to lead Narnia into a war without Aslan there to guide him, but he does it because it's his duty. He's afraid to fight Miraz in single combat, but he does it to help and spare his friends.
P.S. I betcha five bucks nobody votes for Susan.
"My brain and this world don't fit each other, and there's an end of it!" - G.K. Chesterton