In many parts of Europe, the black cat is a sign of bad luck. Even as early as the 13th century, the Catholic Church linked black cats to Satan. It’s not just the Catholic church that believes this, but in Islam, Muslims believe that Jinns take in the form of black cats, and are considered bad luck. In many modern day Halloween decorations we see today, the black cat is used, giving it the spooky stereotype. No one truly knows if these black cat beliefs are true or not.