There are several artists named Hexer: 1. Hexer is a stoner/doom metal band from Dortmund/Germany. They have released one EP, one demo and one album so far. Bandcamp 2. Hexer is a black metal project from Philadelphia, Pennsylvania. The two members, Phlegethon and Ansgar, are husband and wife. They have released a demo, 2 tapes, and an LP with remastered versions of the songs on the tapes. .