C.C.G.

The Comissionn of Counter Ghoul is an organization based in Japan and is one of the primary main antagonist factions of ''Tokyo Ghoul. ''The CCG is seen attempting to kill all of the ghouls within Japan and is at odds with the Aogiri Tree.

Early History
Foudned in 1890, the CCG was created in order to supresss the presence of ghouls within Japan and to quell ghoul terror against civilians. Under the Ghoul Countermeasures Law, the CCG is allowed to prosictue all ghouls and even torture them to the extent of the law.

Events of Tokyo Ghoul
During the events of Tokyo Ghoul, the CCG is seen forcing ghouls into hiding and now Ken Kaneki, a former human turned ghoul must hide from. The first Ghoul Investigators to appear are Kureo Mado and his partner Koutarou Amon as they are hunting down ghouls and run into Yakumo Oomori, an executive of the Aogiri Tree and an infamous ghoul who's the 13th Ward's Jason due to his mask. The CCG is the main antagonist faction of season one of the anime and goes to extream lengths to kill all of the ghouls.