ORIGIN:
An insidious species of aliens that finds the commonalities between people and feeds off of them to become more powerful. Once they have drained the commonalities from people, the people become more and more unique, until they have no connection with each other at all.
ABILITIES:
Commonality-Drain: waves rear arms to absorb the commonalities between people
Great Pinch: Attacks with hook-like arms
Psycho-Laugh: sound from laugh causes intense headaches