POKEDEX ENTRY- #162, Cancer Monster: Cancer is a mutated unicorn which, after being left behind on Noah's Ark, went to join the Dinosaur race underneath the crust of the earth. It was brought out into the surface as a result of the nuclear bomb striking and causing the Dinos' to become extinct again (which is sensible when their only weakness is large, unidentified objects flying from the sky and nearly destroying the Earth in it's entirety). The lone unicorn suffered radiation poisoning after eating the Dino's bodies for lack of food, and somehow mutated into the Cancerous Monster you see before you. It feeds upon rainbows and the energy of Chuck Norris (noun). Therefore it is nigh invincible, and your best plan of action is to RUN BYOTCH, RUN!
my good friend its obviously the remnants of the triforce that had been summoned to you're world by jesus who thought he would be saving you all but later realised he was wrong and got eaten by the corrupted triforce spider thigny
I thought you explained that in the series? in episode 28 they were like "the INVADERS UNION has issued a lawsuit against a small planet in quadrant 34820947h4093784y (random numbers cause I don't want to type out the whole thing) for wanton for destruction of UNION property a union representative has been sent to the planet in question to deliver the notice and execute the those responsible
I believe it could the result of a nuclear war fusing together the molecules of several human structures and the unstable atmosphere contributed to the mutation and development of this creature, and a spider called Skiples whom was loved very much by the few survivors but was hungry and ate some rather nasty things. Then he got hungrier. He was no longer loved very much.
It seems something like a reverse birth. It pulls you in and then spits you back out as an undead with an umbilical cord. You then serve as it's puppeteered army/ambassador. Bullets appear to aggravate it, but so far seems to have done no lasting damage. It's possible it uses the flesh of its victims to regenerate itself.
Oh, and it's from space.
Yeah, you might want to chew on that while you flee for your life, which is the recommended procedure at this time.