18. Doctor Light
Doctor Light is one of those strange characters who can simultaneously come across as a complete joke while making your skin crawl. This villain is either the stereotypical power hungry joke villain who gets beaten in a single issue...or a traumatic, nightmarish rapist madman who just loves putting heroes through hell. Identity Crisis is probably the most famous story staring this man, even though he isn't really the main antagonist in the story. If they tried a plot like that, it would definitely push the envelop for what they can show in a superhero story. He could come across as a genuinely horrifying complete monster, despite starting off as something of a joke villain. Not to mention his light based powers would probably look awesome on the big screen.