Halo 4 Screaming Skull Thing?

I played the hell out of the 1st or 2nd Halo game.  Then video games kind of took one for the team so I could get stuff done.  I love video games but I am a man who knows his weaknesses and if I start playing those things, I will accomplish nothing.  

I saw the commercial for Halo 4 and thought that thing with the screaming skull face was pretty rad.  I am guessing on the construction of the armor here because I could not tell what was going on in any of the pictures of it lol.  So I give you... Halo 4's skull guy!