Illustration by Theodor Kittelsen (1857 - 1914), one of the most famous Norwegian artists. Many of his paintings and illustrations have been used by black metal bands since the 90s.
There's one in the middle there that looks like Sweetums from the Muppets. These are BEAUTIFUL! I adore his use of colours, especially in the picture with the fella in the water, number three. i love ALL of these, wowwwww. i had one of the troll etchings saved on my computer for years and never new who it was that made it. thanks so much for sharing!