GRIMM Found on the Omnitrix Expansion Pack, this alien was discovered by Ben 10,000 and sent back to his younger self to use in the Mighty Invasion. Powers Grimm's powers range from possesion ,flight ,psyconic energy blasts,and fields,a malvolent intent leaking visage, clawed hands, and control over the darkness around him. Planet As a Necronuerite his home world is actually stationed in the middle of a black hole.