Simon Barnaky General Simon Barnaky was the commanding officer of the Midwestern Brotherhood of Steel from 2197 until 2198 . He was one of the original young paladins who disagreed with the Brotherhood ' s code and rebelled . He wanted to bring technology to the outside world , just not to every wastelander . Barnaky was also the squad leader of the elite Brimstone Squad . Background . Human life . Simon Barnaky was a part of the minority within the Old Brotherhood that wanted changes to policies , including the sharing of technology and knowledge with outsiders and letting in wastelanders . He believed that the Brotherhood of Steel had much to offer humanity , no matter how primitive . The Whachutu of Peoria are a prime example . However , Barnaky was bigoted towards mutants and believed they deserved nothing but scorn . When the Elders started to include mutants into the Brotherhood , Barnaky openly spoke out against it . He questioned the wisdom in such an act , voicing his belief that mutations would taint the Brotherhood and questioned if the Old Elders were right . He was not alone in this view ; the Elders themselves didn ’ t believe that mutants were truly the equal to pure blood humans , but they felt they could contribute in other ways . General Simon Barnaky had a wife named Maria . He dedicated his life to her , and vowed to cleanse the land of impure mutations and monsters to allow normal humans to thrive . In 2198 , Barnaky was taken prisoner by Gammorin ' s Army in St . Louis . This same convoy , with the captured general , was then intercepted by the Calculator ' s robot s and Barnaky was taken to Scott City . There , after extensive torture and experimentation , General Barnaky ' s brain was extracted and put into a robotic suit . The Calculator ' s plan was that Barnaky ' s knowledge about the Midwestern Brotherhood ' s internal and external workings could be used to facilitate many of the Calculator ' s further objectives . Brain bot form . Simon Barnaky , now as a humanoid brain bot with a semi - lobotomized brain and robotic programming , saw the power of the Calculator as humanity ' s last chance to bring a new order to the wastes . There was now a possibility to offer humanity a world of order and peace , a world free of war , free of mutants and chaos . The brain bot form of Barnaky ignored the fact that the Calculator was corrupted and sought to exterminate all life . Barnaky knew only that his " pacification protocol " was able to bring death to mutant abominations . He successfully retained a part of his consciousness along with new programming without conflict between them . After that , he had become the Calculator ' s right - hand . He was a protector and advisor , an enemy and betrayer to his old comrades , whom he believed to be corrupted by genetic mutation . He tried to use his former position as a leader of the Midwestern Brotherhood of Steel to serve the Calculator ' s army by effectively erasing defensive measures of the Midwestern Brotherhood . Faced with Simon Barnaky being listed as missing in action , the rank and position of General / commanding officer of the Midwestern Brotherhood of Steel was given by the elders to Dekker . While Simon Barnaky ' s brainless body was discovered in Scott City , the truth about his alliance with the Calculator was only revealed in Vault 0 , where the Warrior encountered brain bot Barnaky guarding the Calculator . Barnaky was very confident in his master ' s goals , believing the Calculator ' s way to be the best for the wasteland . Fate . There are three possible ways the general ' s story could end , depending on how the Warrior chooses to deal with him : Appearances . Simon Barnaky appears only in " " .