Black Arms (IDW)

The Black Arms are creatures mentioned in the Sonic the Hedgehog comic series published by IDW Publishing. It is a villanous species of aliens who once tried to invade the world.

History
Not too long ago, the Black Arms invaded the world. During their stay on the planet, they fought Dr. Eggman's forces and other factions. This bought Shadow, Sonic and their allies the time needed for them to defeat the Black Arms for good.