Mister Sinister

Nathaniel Essex or also better known by the pseudonym as Mister Sinister is the main enemy of the X-Men, Cable and also of Deadpool. He is a powerful mutant who is obsessed with making genetic perfection, and forcing the entire population of the world to the next step in evolution, and eliminating those he believes are weak or get in his way.

Other Appearances

 * X-Men-Movies
 * Deadpool