In the Age of Apocalypse, the Eternal One's shock troopers were known as the Infinites, armored mutant soldiers who patrolled America to enforce his will. Some Infinites were individual mutants, but the majority were either replicated from Jamie Madrox like the Madri or grown from production vats in Apocalypse's Infinite Factories, mixing mutant genes with cybernetic technology to create an endless line of soldiers.
