Just a thought I had speculated in another thread; their head shapes match and he's a rather plain figure.
I'm not a customizer; so if someone pulls this off and wants to sell one, PM me!
Pic of the new Parasite can be found on pg 7 of this thread; some people are picky out linking to their existing posts & I'm too lazy to ask permission.
http://www.actionfigureinsider.com/phpBB2/viewtopic.php?t=5979&start=90&postdays=0&postorder=asc&highlight=And a pic of Luthiac from WF
http://www.worldsfinestonline.com/WF/jlu/episodes/dividedwefall/38.jpg
