A clandestine society, a shadow organization whose motives are secretive. Many doubt that the Phantoms actually exist, thinking that it's merely a tale to scare children, or simply a nonexistent group to blame the issues of the world on. The paranoid believe that it's a organization that is secretly in control of everything from political happenings, to the reason prices rise. 

The symbol that has been assigned to them is one of a skull with smoke pouring out of it as shown by the image above