Mister Sinister

Scientist, one of the greatest minds of his generation
Obsessed with the works of Charles Darwin, particularly the Theory of Natural Selection
Researched genetic mutations in humans, performed experiments on them
Experimented on himself, gained super powers & changed his appearance
Traveled the world, created the first of his mutates, which included Jack the Ripper
1990s: Took great interest in the lives of Scott Summers & Jean Grey;
Suspected that their combined DNA had the potential of created the ultimate mutant
Helped a mortally injured Morph but also brainwashed him into hating the X-Men
Created a clone of Jean, the truth was discovered & he was defeated