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Cypher aka Brian Mendus is a villain appearing in Beware the Batman. He debuted in the episode Control.


Cypher first appeared in the episode Control. He tried to capture Dr. Jason Burr for the League of Assassins, in order to steal the plans for the Ion Cortex, to work for the organization from within his mind. Though he managed to gain temporary control over Katana, and later Batman, the two heroes were able to defeat and capture him. Then he made small appearance in the episode Reckoning, where he and other super-villains from Blackgate prison were hired by Ra's al Ghul to kill Batman.


Cypher wears a lightly armored suit of dark and bright, glowing, green. His main weapons are long, tentacle-like cables that extend from his palms. These cables allow him to "plug" into a person and hijack their minds. Once in contol of a person, Cypher is able to manipulate them, forcing them to follow or even fight for him. On his own, Cypher doesn't seem to be that strong of a fighter, preferring to let his captives fight for him. He has a slender build and is extremely agile and flexible. His suit allows him to adhere to walls and ceilings. Cypher's control is both his greatest weapon and his greatest weakness. While in control of a person, he feels everything that they do. Blows and injuries sustained by them hurt him as well. He also feels other emotions from them, including love.

Powers and Abilities

  • Mind Control
  • Wallcrawling


  • Unlike in the comics, he is a cyborg instead of human.
  • He is working for League of Assassins.
  • Unlike in the comics, his real name is Brian Mendus instead of Victor Cypher.
  • He is responsible for turning Dr. Jason Burr into Kobra.
  • In the original comics, he is just a shady businessman who will do everything take down the Wayne Industries.