Gollum
Gollum is a fictional character from J. R. R. Tolkien's legendarium. He was introduced in the 1937 fantasy novel "The Hobbit", and became an important character in its sequel, "The Lord of the Rings". Gollum was a Stoor Hobbit of the River-folk, who lived near the Gladden Fields. Originally known as Sméagol, he was corrupted by the One Ring and later named Gollum after his habit of making "a horrible swallowing noise in his throat".
Gaahl
Kristian Eivind Espedal (born 7 August 1975), better known by his stage name Gaahl, is a Norwegian vocalist and artist. He is best known as the former frontman of Norwegian black metal band Gorgoroth. He is also the founder and frontman of Trelldom and Gaahlskagg. Since leaving Gorgoroth he has been involved with God Seed, Wardruna, and Gaahls Wyrd. He was the focus of the documentary "True Norwegian Black Metal" and also appeared in the film "Flukt".