"a ghoul is always a male"
Ghouls
Creative Commons AttributionGhouls - Credit: Marxchivist / Tom

 Ghouls are undead, like vampires or zombies. They are commonly found in graveyards and consume human flesh.

The earliest known literary mention of the creatures comes in the popular Arabian tales, One Thousand and One Nights. The ghül of Arabian folklore is a ‘devilish type of jinn’.