"El Jolly Roger" is a traditional flag associated with piracy, typically featuring a skull and crossbones on a black background. This flag was used by pirates to signal their identity and instill fear in their targets. The design has become a symbol of piracy in popular culture. The origins of the Jolly Roger date back to the 17th century, when pirates like Blackbeard and Bartholomew Roberts adopted it. While various designs existed, the most recognized version features a white skull above two crossed bones. Today, the Jolly Roger is often used in movies, books, and merchandise related to pirates.