Illustrator Russell Walks created a periodic table of imaginary elements that appeared in science fiction movies, television shows, and books. Among them is Wonderflonium, the rare element that Dr. Horrible needed to complete his freeze ray.
http://russellwalks.com/PTOIE.html via Urlesque
Comments (5)
And in case you're interested, it's atomic weight is "Snack-tacular".
Thanks for all of your interest in "The Periodic Table of IMAGINARY Elements."
FYI, Unobtainium IS on there - It's abbreviation is "Pa", which stands for Poul Anderson, and is a little dig at Mr. Cameron. (see this: http://io9.com/5390226/did-james-cameron-rip-off-poul-andersons-novella).