BMA-2 "Chronos"

Earth had hit its limit on population, barely able to sustain its people. As such, they created the Blood-fueled Multipurpose Android (BMA). They require blood to run, and are nearly identical to a normal human, except that they slaughter all. BMA-2 is the first of the second series of BMA, but he was the only one. even more so, he was locked up on the internet and now resides on your phone.