Ghostfreak is another Ben 10 Alien Force alien that Ben can transform into. This alien can levitate freely. He doesn’t require oxygen, so he is able to survive in a vacuum. Ghostfreak also has psychic abilities such as telepathy and telekinesis, but the extent of these abilities remains unclear until now. However, ghostfreak just like a ghost. He is able to make himself invisible and or intangible at will. That’s why it is called Ghostfreak. It can freak you out !!