The Quiz vs Duplicate Boy
Stolen from a Wiki article:
The QuizA Japanese woman with a fear of dirt, The Quiz had every power you hadn't thought of. To make her lose a power, you had to think it. Because of her fear of dirt, she wore a long gown/gas mask that was decorated with question marks similar to the Riddler's outfit. The powers she exhibited were: flight, mimicking appearances, turning people to glass, turning back time, dematerialization, making things large, turning people into toilets filled with flowers, and the power to make escape-proof spirit jars.
And of course, everybody should know who Duplicate Boy is, but if someone doesn't, he's basically one of the most overpowered characters in the history of comics, on account of his ability to duplicate any power, and add it onto power sets he already duplicated. So think the JLU cartoon Amazo, with pre crisis power levels.
Who wins?