Mass destruction, world domination, calculus, biology, boring things, magic, reading the phone book
nobody in particular
The evil kind that they play in the background of movies and those fancy video games when the bad guy is obviously plotting something
I have no time for such frivolous matters.
(See above)
"How to Take Over the World in Seventeen Easy Steps," "Art is Evil," The Kefor Magician School series
Who needs heroes when you can be a villain?