Hong Gu (洪�, Hon Gu) is a military official who serves the High Eunuchs, but is aligned with Xingke's faction. He pilots a Gun-Ru. After Li Xingke's faction joins The Black Knights, he takes up the position of the 2nd Division Commander. He is last seen with Empress Tianzi and Zhou Xianglin in Ohgi and Viletta's wedding photo. (Source: Code Geass Wikia)