Vibrost

The Vibrost is a creature native to a far-distant planet in the Milky Way Galaxy.

Biology
The Vibrost is a unique creature in that is composed of two entities. There is a symbiont/host relationship between two separate species—one planet bound, the other a half-energy, half-matter creature. The species have evolved to the point where the two-are separable.

Source

 * Space Precinct: Demon Wing