Adam (Buffyverse)

Adam was a major antagonist of the Buffy the Vampire Slayer TV series and was a Frankenstein's monster type villain who sought to spark a war between humans and demons so as to harvest the bits and pieces left over and create an army of cybernetic demon-hybrids similiar to himself - he served as the "Big Bad" of a storyarc involving a military-based organisation that was formed to combat supernatural evils but were clearly corrupt, Adam being the ultimate result of said corruption.