Ghost is a doom metal band from Sweden widely known for their anonymous lineup and Satanic imagery. The vocalist wears a mask covered in skull paint and a black Pope robe adorned with St. Peter's cross' and the bands logo, while the other members wear robes or masks to cover their faces. The vocalist is known as Papa Emeritus and the others are the Nameless Ghouls. The vocalist usually changes every new album but it is unknown if the intrumentalists change as well. Their music covers topics of religion, typically Satanism or Luciferianism.