比嘉 タケル

Higa Takeru in the Alicization Arc. He is the Chief Developer of the Soul Translator, working under Kikuoka Seijirou in Rath. He helped create Underworld as a means to produce Bottom Up Artificial Intelligence via nurturing a mass number of Artificial Fluctlights, in order to further advance Japan's military force

(Source: Sword Art Online Wiki)