Branham developed a unique theology and placed emphasis on a few key doctrines, including his eschatological views, annihilationism, oneness of the Godhead, predestination, eternal security, and the serpent's seed. His followers refer to his teachings collectively as "The Message". Kydd and Weaver have both referred to Branham's teachings as "Branhamology". Most of Branham's teachings have precedents within sects of the Pentecostal movement or in other non-Pentecostal denominations. The doctrines Branham imported from non-Pentecostal theology and the unique combination of doctrines that he created as a result led to widespread criticism from Pentecostal churches and the Charismatic movement. His unique arrangement of doctrines, coupled with the highly controversial nature of the serpent seed doctrine, caused the alienation of many of his former supporters.