Minecraft wiki entry for Kristoffer_Zetterstrand, associated text: Kristoffer Zetterstrand is a Swedish artist. Kristoffer primarily paints classical paintings, but they are often influenced by pixelated computer graphics and 3D worlds. All the paintings (apart from the wither painting and unused elemental paintings) in Minecraft were created by him. The file in which the paintings are stored is named paintings_kristoffer_zetterstrand.png in Java Edition prior to 1.14 and kz.png for his initials in Bedrock Edition.