The William Units are one of the distinct strains of clones created by The Collective to form a part of their Labour/ Military force. William Units specialise in the basic military infantry. Some of their enhanced abilities physical strength, weapons usage and basic mele combat. William Units are known for their physical size, they are the largest strain of clone with large muscle structure they stand as a wall between an enemies and their targets . A notable members of the William Strain is William Crowley, former Security Officer in a notable science outpost on Caracas.