Komui Lee

Komui Lee is a supporting protagonist in the manga/anime series D. Gray Man. He is the Chief Officer of the Black Order and the Branch Head of the European Branch, as well as the older brother of Lenalee Lee. He is mainly in charge of maintenance whenever anti-Akuma weapons get broken(usually Allen Walker's) and is a master scientist and mechanist.

He is voiced by Katsuyuki Koinishi in the Japanese version of the anime and J. Michael Tatum in the English version, the latter of whom also voices Rintarou Okabe and Kraft Lawrence.