There's a song for a band i don't know the song's nor the band's name but threre's a line "wake up the demon"?

Question

i saw the video and the vocalist is the bassist..

in the video he is a ware-wolf so is his girl who gets him the guys he eats....

Answer 1

I think it might be this one:

Bullet For My Valentine - Waking The Demon

http://www.youtube.com/watch?v=aYGQjYi2A...