Reiner Braun

The Armored Titan is one of the villains in Attack on Titan series. The Deviant Titan that destroyed the inner gate of Shiganshina, allowing the other Titans to break inside Wall Maria's territory. Its entire body is covered in protective armor plating except for some weak points at its joints, which were used by Mikasa to damage it during its fight with Eren. Later it is revealed that the Armored Titan is Reiner Braun, who defeated Eren with Bertolt's help before the duo escape, taking the unconscious Eren and Ymir with them.

Trivia

 * In a post on his blog, author Hajime Isayama stated that the Armored Titan's physique was based on that of professional wrestler and mixed martial artist Brock Lesnar.