Chicago gang wars at epic levels. And completely senseless.. Over versus and diss tracks..smdh! FBG Duck was a member of the rap group ‘Fly Boys Gang,’ often abbreviated FBG. Most FBG members are reportedly affiliated with the Gangster Disciples faction known as Tooka Gang. Duck, whose real name was Carlton Weekly, was a popular figure in the underground Chicago rap scene and was best known for his single Slide.