Black devil can refer to various things, including:
1. A fictional character or creature in movies, books, or games that is depicted as evil or malevolent.
2. A type of cigarette brand in Europe known for its black packaging and high nicotine content.
3. A type of hot sauce made from peppers, vinegar, and spices that is known for its intense heat.
4. A type of cat with dark fur and distinctive features such as copper or golden-colored eyes.
5. A nickname or label given to a person who is considered wicked or immoral.