Known originally as Nathaniel Essex, Sinister is a brilliant geneticist whose obsession with evolution, mutant DNA, cloning, and creating what he considers the perfect genetic specimen has made him one of the X-Men’s most persistent enemies.
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Who Is Mister Sinister? The ‘X-Men’ Villain Explained | Black Girl Nerds
Adam Driver will play Nathaniel Milbury in the new X-Men movie. Here's how Milbury connects to, Mister Sinister, Cyclops and Jean Grey