Mnemosurgery is no easy job; some 'bots are not cut out for the task of browsing through memories of patients and analyzing them. Sunder, A former practitioner of the field, nowadays he's more known for having embarked on numerous murders. Sunder suffered for his profession, which he considered akin to "walking with death,". Eventually, he went insane and embarked on a killing spree, he was named the “Tetrahex Ripper”. Very protective. Obsessive. Terrifying. His face plates can open.