17 Lieutenant Military Officer and Knightmare Pilot Eleven
Akito is an E.U. Knightmare Pilot with a rank of lieutenant from a special force, called W-0, that consists of boys and girls from Area 11. He is shown to be piloting the Knightmare Frames, Gardmare and Alexander.
Akito Hyuuga in his childhood is voiced by Ryoka Yuzuki.
(Source: codegeass.wikia)