Reiner Braun is one of the main antagonists in the anime/manga series Attack on Titan. He is the true identity of the Armored Titan, who infiltrated the military as a spy as part of an unknown plot to eradicate the remainder of humanity, and the childhood friend of Bertolt Hoover. He is voiced by Yoshimasa Hosoya in the Japanese version of the anime and Robert McCollum in the English version, the former of whom also voices Wave.