The pirate's flag is a symbol of the pirate's life, often used to strike fear into their victims. But there are many synonyms for the classic black and white skull and crossbones design. The Jolly Roger is a popular alternative moniker. The "skull and swords" flag is another popular alternative, featuring crossed swords underneath a skull. The "Black Standard" may not have a skull, but the all-black design still sends a chilling message. The "Red Flag" was commonly used by pirate captains, as a warning that no quarter would be given to those who resisted. Finally, the "Bloody Flag" was a gruesome sight, featuring the actual blood of pirates' enemies smeared on the flag as a warning to others.