I've always wanted to see Hedorah revisited, much like everyone that posted. In fact, a quite a few months ago, on the old board I had some artwork displayed. A sketch really, I've since redesigned some of it and inked it, but my scanner is on the fritz and I just don't have the money right now to replace it. So I'll post the old sketch I did for those that may not of seen it.
When I first came up with the design, I made it for a possible Heisei revisited comic. But the Showa origin was cool as well, and could easily work today. I would get rid of the beam weapon though, I always thought it seemed out of place. I would then make Hedorah able to whip acidity pieces of himself at his oppenent, like naplam, as well as a vomit forth a spew of gooey like acid, not like Biolantte, more gooey, toxic and disgusting.