Tleilaxu "twisted ' mentals were different from normal Mentals in those characteristics nonessential to pure computational abilit) These variants took the form of body structure, emotional nature, and psychological make up, depending upon customers orders Tleilaxu mentals were pro duced universally from the axolotl tanks- itself a notable distinction Mentals produced by legitimate schools were also bred with certain charactenslics in mind, but these were relatively benign in comparison to the Tleilaxu machinations and not the result of genetic engineering One of the most notorious Iwisted mentals to be produced by the Tleilaxu was Goya Sohdar (8463-8514), ordered by House Krm for its Department of Military Intelligence during its imperialistic subjugation of several planets with warlike populations Goya was to be an interrogator extraordinaire Other mental schools might have provided an adequate product, but after military defeats m which Knn suffered heavy losses, retaliation became a motive Goya Sohdar was a mental-neurologist MENTATS TWISTED 384 MENTATS TWISTED whose speciality was pain centers and whose raison d'etre was sadism, a fixation that had been engineered to a refinement His computational ability exercised itself on intngue and interrogation, the latter involving sophisticated techniques of torture noted for their high successes in eliciting pain while keeping the victim both alive and conscious His methods and observations are detailed in his unsanctioned Book of the Kindjal Question, which nee