Need Cthulhu to do your bidding? No need to mess around with The Neconomicon and star-charts. The excellent Cthulhu Rising 3D model is currently 40% off, at $20.97. It’s a 3D digital model that you can pose and light and render (i.e. make a picture of) using the free DAZ Studio 3D software. Images made with him are royalty-free.
There’s also a range of other Lovecraftian monsters available, and even a 3D Lovecraft himself.