Skulls by Noistromo (Mariusz Siergiejew). Noistromo is a graphic designer, illustrator and a concept artist from Cracow, Poland. He likes to create monsters, robots, dark-creatures, and another unusual creatures, and he experiments in all forms of designs. Always try to find some new inspirations from games, movies and music.
His workshop has got a wide spectrum of tools from simple sketch tools to 3D modeling tools like. He always tries to get the best solution for actual design.
Be sure to visit Noistromo online to see more of his amazing art: