<P> The most commonly used Bloods symbols include the number "5", the five pointed star, and the five pointed crown . These symbols are meant to show the Bloods' affiliation with the People Nation, a large coalition of affiliates created to protect alliance members within the federal and state prison systems . These symbols may be seen in the tattoos, jewelry, and clothing that gang members wear as well as in gang graffiti, which is used by the Bloods to mark their territory . Such graffiti can include gang names, nicknames, declaration of loyalty, threats against rival gangs, or a description of criminal acts in which the gang has been involved . Bloods graffiti might also include the word "Piru" which refers to the fact that the first known Bloods gang was formed by individuals from Piru Street in Compton, California . </P> <P> Finally, Bloods graffiti might include rival gang symbols (particularly those of the Crips) that are drawn upside down . This is meant as an insult to the rival group and its symbols . Bloods members also have a unique slang . Bloods greet each other using the word "Blood" and often avoid using words with the letter "C". Finally, Bloods use hand signs to communicate with one another . Hand signs may be a singular movement, like the American Sign Language letter "B", or a series of movements using one or both hands for more complex phrases . United Blood Nation (UBN) or East Coast Bloods initiates often receive a dog paw mark, represented by three dots often burned with a cigarette, on their right shoulder . Other UBN symbols include a bulldog and a bull . </P> <P> Chapters of the Bloods are called "sets". </P> <Ul> <Li> Black P. Stone Bloods </Li> <Li> Bounty Hunter Bloods </Li> <Li> United Blood Nation </Li> </Ul>

Who is the leader of the bloods gang