Mister Sinister

Mister Sinister (Dr. Nathaniel Essex) is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Chris Claremont, the character was first mentioned as the employer behind the team of assassins known as the Marauders in The Uncanny X-Men #212 (December 1986), and later seen in silhouette in The Uncanny X-Men #213, with both issues serving as chapters of the 1986 "Mutant Massacre" crossover. Sinister then made his first full appearance in The Uncanny X-Men #221 (September 1987), with artist Marc Silvestri designing his visual look. A villain who usually prefers to act through agents and manipulation, Mister Sinister was born Nathaniel Essex in Victorian London. A human scientist, Essex is inspired by the work of his contemporary Charles Darwin and becomes obsessed with engineering humanity into a perfect race of superhumans. As he learns about mutants (superhuman beings born with the X-gene), Essex encounters the mutant villain Apocalypse. The two become allies and Apocalypse uses alien Celestial technology to transform the British scientist into Mister Sinister, an ageless man with super-powers. Later on, Sinister increases his power through se