Shroomy
Adventurer
I found this in a sidebar in the "Variant Gorgons" web article on the WoTC website:
I first heard about this on the Necromancer Games Forum thread on "The Return to the Temple of the Frog," but it now looks official.
Fans of the 1st edition adventure Lost Caverns of Tsojcanth may remember a similar creature: the gorgimera, a chimeric creature with lion, dragon and gorgon heads, lurking outside the dreaded mountain. Look for a revision to this classic module coming to the website in the days ahead, along with a revision of this creature!
I first heard about this on the Necromancer Games Forum thread on "The Return to the Temple of the Frog," but it now looks official.