Art that incorporates religious icons, pentagrams, or celestial maps to represent a higher or darker power.

Popular in the late 19th century, these images used double exposure techniques to show "ghosts" of deceased loved ones standing next to the living.

Sam and Dean Winchester, often depicted with their iconic 1967 Chevrolet Impala.

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Common imagery includes the angel Castiel (often with shadow wings) and the demon Crowley .