Nice lyrics bro, I laughed my ass when I heard that piece of lyrics. I think it was expected and you didn't try to make smart lyrics, well I like it :P. You have a really bassy voice, it's impressive. I enjoyed that voice at the beginning and in the end when you said "With a hint of brown" or " it feels great", that sounded evil. Nice vocal job :P.
About Angel's work, I already reviewed the original song and I found it bad ass, especially the kick and the riff at 1:54, this riff is killer. I have to learn it :P.
Well, a funny vocalization of a kick ass song, I guess it can't turn out badly. 5'd \m/