Arkham Knight (Arkhamverse)

The Arkham Knight is the mysterious main antagonist of Batman: Arkham Knight, being a militarized anti version of Batman made to rival him.

Batman: Arkham Knight
The titular villain, as aforementioned, is set to appear as the main antagonist of Batman: Arkham Knight. Who is donning the mantle is currently unknown, yet he is still exclusively designed to be one of the few people who can hold their own against Batman, thus his appearance imitating the Dark Knight.

Trivia

 * The Arkham Knight was created specifically for the game by Geoff Jones and Jim Lee, a pair of critically acclaimed comic book writers/artists.