Pluton

The Pluton is a secret organization of the Holy Britannian Empire that has carried out dirty jobs for the Britannian Imperial Family for generations. It is lead by the Zevon noble family, currently under the leadership of Oiaguro Zevon.

Organization History
Not much is known about Pluton except that it undertakes secret and dirty jobs for the royal family. One such job was attacking a village in southern Hungary and killing all it's inhabitants to eliminate two escaped test subjects from the Geass Order.