A raven perched atop a human skull with a full moon behind is a classic memento mori image, pairing the bird's associations with death, omens and the supernatural with the skull's direct reminder of mortality. The moon reinforces night, mystery and the liminal space between life and death. People choose it to mark loss, to express fascination with dark folklore, or simply as a striking gothic image without deeper personal narrative.
Where it sits
The circular moon backdrop makes this suit rounded or broad areas where the full disc can sit unbroken, such as the upper back, chest, or outer shoulder. The vertical stack of raven, wings and skull also reads well down the forearm or shin if the moon is trimmed to a partial arc. Shrinking it much below forearm size will lose the feather texture and the skull's fine cracking detail.
Making it yours
Ask an artist for any of these.