Randall Flagg has been featured in The Stand and Dark Tower.
Flagg first appeared in The Stand as a demonic figure who wreaks havoc after a plague kills most of the population.
Flagg was a primary antagonist in King 's epic series , The Dark Tower , who tries to keep protagonist Roland Deschain from reaching the Tower -LRB- the linchpin of existence -RRB- so he can claim it for himself and become a god.
