This is the Witch King of Angmar. He was the mightiest of the Nazgul and hurt Frodo on the Weathertop. No man, who is alive is able to kill him. He died during the pellenor battles, when Eowyn killed him, when she wanted to defend her uncle Theoden.
Cool! I really like the Photoshop effects. You did a very good job! I will probably try and make one myself, but it's herder, since they have armor... anyway, great job. And modern heads on medieval guys do look cool, huh?