One reason pirates wore eye patches was to help keep one eye adjusted to the dark for seeing below deck. The skull and crossbones flag used on pirate ships is called a Jolly Roger.
Blackbeard was the most feared pirate of all. Blackbeard (AKA Edward Teach) was known as the most terrifying pirate in the world. Before capturing a ship he would weave hemp into his beard and light it on fire—an intimidation tactic that made him look demonic. Yikes! That would scare us, too.