Randall Flagg is a fictional character created by Stephen King. Flagg has appeared in at least nine of King's novels, either as a major or very minor character. He has a variety of names, usually initialed "R.F." but with occasional exceptions, such as Walter o'Dim (originally envisioned by King as a separate character) in The Dark Tower series. Flagg is described as "an accomplished sorcerer and a devoted servant of the Outer Dark", with supernatural abilities involving necromancy, prophecy, and influence over animal and human behavior. His goals typically center on bringing down civilizations through destruction and conflict.