Six months in development, this is the Doctor Zoidberg costume created by the folks of Tested.com and debuted at WonderCon 2014. Those wiggling mouth tentacles -- those are the things nightmares are made out of. I'm kidding, nightmares are made from the pure daydreams of children which are extracted by an evil sorcerer then twisted into nightmare form using black magic as a means of thought control. If you don't believe me you can ask Gandalf. "Hey Gandalf, is it true that--" WHOA WHOA WHOA -- come on, he's probably busy right now.
Keep going for the video.
Thanks to Alan P, who was going to cosplay as Professor Farnsworth by building an aging machine and aging himself 140 years but then didn't because he was afraid his girlfriend wouldn't love him anymore. Come on, it's what's on the inside that counts! Just as long as you don't trickle pee on the way to the bathroom in the middle of the night (that happens).