Necromancer, Igor Artyomenko on ArtStation at http://www.artstation.com/artwork/necromancer-0294bd8e-e500-4c8e-9dce-050367f0ccc7
Odin - Hours of Wealth, Joseph Weston on ArtStation at http://www.artstation.com/artwork/odin-hours-of-wealth
By Savelyeva Ekaterina, see more of her work on her facebook page: https://www.facebook.com/savelyeva.ekaterina.7
Viking--However, would Vikings have had a method for achieving that sort of white color?
John wallin liberto vikingwoman3
87c210d3d0ad6ed7810480264d2078cc.jpg (Obraz JPEG, 4961 × 3507 pikseli) - Skala (26%)
I don't believe this is Casper's work but it fits nicely here
Viking, Max Emmert on ArtStation at https://www.artstation.com/artwork/viking-a6f2c99e-4223-4b08-8e08-9fc3dffb5aaa