Nestor

Nestor is an alien entity who inhabits the bodies of "hundreds of thousands" of facets across the galaxy. They all share a mind, their sensations and experiences all feeeding the same entity. This state is something they find exceedingly boring, as such they travel the universe seeking excitement.

Their Spaceships require 4 facets to operate, and will alwqays carry a fifth "spare" as well.

They have virtually no tolerance to pain.

They seem to have a very acute sense of taste, as they can identify the exact chemical make-up of a hot-dog while taking a bite.