Calvin Corker was certainly nothing special - just a heavyset nerd with few friends and almost no social skills in a world of exceptional human beings - until a bolt out of the blue of pure cosmic power gave him the ability to change people's pasts with a touch, including his own. He was the only one aware of the changes, unless he decided to allow those he changed to keep the memories of their old lives - which he had done to all the jocks who bullied him in the past once he'd turned them into petite, drug-addicted trailer trash whores. Time shuddered in pain from the radical changes but no one with the power to oppose him knew of his ability.
Soon, with some quick usages of his ability, he was a well-muscled billionaire (having made it so he worked out daily, won the lottery and played the stock market like a pro) but he never forgot being a scorned nerd. For many, being wealthy and good-looking would have been enough but not for him - he had designs to enslave or destroy anyone who stopped him from building a harem of supersluts who would help him to rule the world. The first step to his plan was obvious . . .