Ectonurite

The Ectonurites are a race of ghostly aliens from the planet Anur Phaetos in the Anur System.

Appearance
Ectonurites are ghost-like aliens with a frightening skeletal appearance which is concealed by their second skin layers. Their individual eyes can move to any part of the body giving 360° sight. They have exposed bones in certain places.

Without their secondary skin, they have dark blue skin, sharp teeth and claws, and skulls that they can reposition physically or mentally.

Abilities
Ectonurites are ghost-like creatures are made of protoplasm. This allows them to change their matter to the point that they can become invisible and phase through any solid object.

Ectonurites can possess other lifeforms for a period of time, granting them access to their hosts' powers. They can also open up their secondary skin to release scary tentacles.

Ectonurites are capable of telekinetic abilities and projecting energy beams from their chests.

Ectonurites have the remarkable ability to be remade from a molecule of DNA.

Weaknesses
Ectonurites cannot be exposed to direct sunlight as it will kill them or cause great bodily harm, unless they have a secondary skin. They can also be harmed by magic

Ectonurites' protoplasm can be stolen by protoplasm freezing spray.

Ectonurites cannot possesse mindless creatures such as zombies.

Omnitrix Transformation
The Omnitrix's Ectonurite representative is named Ghostfreak, who first appeared in the original series episode "Permanent Retirement". Ghostfreak has appeared in almost every series except the reboot.

If the reboot version of Kevin 11 were to have a mutant hybrid equivalent of Ghostfreak, he would be named Phantomgeek.

Ghostfreak has also been used by the Prime Timeline Kevin (albeit off-screen) and Bad Ben.