Mao is a minor antagonist in the anime series, Code Geass, gifted with the ability to read minds. Mao is a minor player in the Non Disney Villains Tournament.
Non Disney Villains Tournament
Harboring much ill will towards Zero, the leader of the Black Knights, Mao cues Zero's rival, Cobra Commander, into key information that could be used to determine Zero's true identity. Specifically, he suggests that Cobra Commander discover a certain "C.C." Later, Mao suggests to Cobra Commander's right hand woman, the Baroness, that Zero is actaually Lelouch Lamperouge. He warns her of Lelouch's ability to make others' obey his every command.
When COBRA is defeated by Zero's forces, Mao has to resort to new options. Harnessing some anti-Geass technology stolen from COBRA, Mao frees Kent Mansley from Zero's control, encouraging him to make his own path in the war. As Mao suspects, Mansley decides to fight against Zero.