Serious response this time...wouldn't we need a basic DC cosmology first, before any answer could be formed to this question? I've never seen a coherent DC cosmology that even a few fans can agree with. So your responses will be doubly arbitrary, because each poster's relative sense of cosmic hierarchy will be vastly different from the rest. It invalidates most individual answers.
This is hard enough when working with just Marvel, where there's at least tentative agreement with overarching categories (even if individual character opinions still vary wildly). But with DC, I'd say it's close to impossible, unless all you're looking for is opinions that will never approach a consensus or understanding.
This is a fair point. I think it's safe to say there's a loose consensus as to who the top DC guns are, albeit with the order somewhat interchangeable. When it comes to reality warpers in DC, the gold standard is Mxy and other 5D Imps. I think without a doubt MJJ comes in below the likes of Mxy, but probably above most others. DC tends not to do big reality warpers as much a Marvel as a general rule. Franklin, I would say, falls somewhere around ZH Parallax or Ion I Kyle. Maybe also in/around that category would be Extant or Hourman 1M w/ 'gog.
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"And then there was nothing. A once broken something now void.
And on the first day, Doom spoke... 'Be.'
And then there was life."