Minimalist line art of four human figures with different poses and a brain illustration above one figure's head within a circular frame.
A black and grey cosmic snake coiled around a pencil with planets and stars.
A black and grey Medusa with circuit patterns and laurel wreaths.
"Cartoon characters with a globe, smoke clouds, and bold text"
Intricate black and grey Norse-inspired design with ravens, runes, and knotwork.