A demon is an evil or malevolent supernatural entity, though they can be benevolent too. Historically, belief in demons, or stories about demons, occurs in folklore, mythology, religion, occultism, an
Gallu
…In Sumerian and ancient Mesopotamian religion, gallûs (also called gallas; Akkadian gallû < Sumerian gal.lu) were demons or devils of the ancient Mesopotamian Underworld. Gallu demons hauled unfortunate victims off to the underworld. They were one of seven devils (or "the…
Bronze statue of the Assyro-Babylonian demon king Pazuzu, c. 800–700 BCE, Louvre
Mephistopheles (a medieval demon from German folklore) flying over Wittenberg, in a lithograph by Eugène Delacroix.
Ram-headed demon. The hands probably outstretch to hold two snakes. From a royal tomb in the Valley of the Kings, Thebes, Egypt. End of the 18th Dynasty, around 1325 BCE