Gaahl is the stage alias of Kristian Espedal: a Norwegian artist best known for his vocal work with the controversial black metal group Gorgoroth. Like many protagonists of the Norwegian black metal scene, Gaahl's story is rife with as much manufactured fiction as bona fide fact, equal parts inflated legend and murky history. But in the aftermath of Varg "Count Grishnackh" Vikernes' heinous crimes of the '90s, it was arguably Gaahl who became the most feared black metal artist of the 2000s. Here now is the tale of the artist Terrorizer Magazine once dubbed "the most evil man a...