Ben 10 Ghostfreak

Ghostfreak is an Ectonurite from the planet Anur Phaetos. Ectonurites are a ghost like alien. They can exists even in the smallest little strand of DNA. Ghostfreak's DNA in the omnitrix comes from a 400 year old of his species named Zs'Skayr. In one episode of the original series he escapes from the omnitrix and was a reoccurring character in the series all the way through Omniverse. Ectonurites are basically invincible to anything other than sunlight. Their planet Anur Phaetos is one in about 5 or 6 others in their planetary system. Their system has no sun because the species that live there are hurt by sunlight. The only way that their planets are not flung out from each other is because they are held together by some sort of large spider web looking ropes.