Alpha (Dollhouse)

Alpha is a rogue doll, and the main antagonist of the first season. During much of Season One, his identity was a mystery. He was revealed in "Briar Rose", and details about his motivations were given in "Omega". His original personality was named Karl William Kraft, a kidnapper and attempted murderer with a penchant for slashing faces.

Flashbacks from "The Target" suggest that the Alpha's killing spree and escape were, in fact, an unforeseen byproduct of the technology the Dollhouse uses to program its actives, an incident they have dubbed a "composite event." In this unique event, all of his previous imprinted personalities resurfaced simultaneously. Alpha was forced to process countless world-class talents and equally countless and irreconcilable memories, which caused a psychotic break; Alpha has become an omnidisciplinary psychopath.

Alpha's character and mindset have been described as having "multiple personalities and a fragmented and twisted individual thanks to the Dollhouse's influence over him". In Omega, it was pointed out that his original personality is also psychopathic. Despite having at least 49 imprints, Alpha also has an overarching identity and goals, and an obsession with Echo.