Hai Gao
Gao Hai is the first Eunuch introduced in the second season, he was sent to Area 11 as the Federation consul.
Under the influence of Geass he allows the Black Knights within the grounds of the Federation’s consulate. As a eunuch, he has a very high pitched and squeaky voice, and he likes to give orders to others. When he says they should abandon the Empress because Zero is more important, Li Xingke executes him on the spot.