Exolon

The Exolon are a race of humanoids populating the galaxy.

History
A group of Exolon Monks allied themselves with Ronan the Accuser, performed a ritual on him and became pilots of the Dark Aster, only to be killed when Rocket Raccoon crashed the Milano into the Dark Aster, causing it to crash into the Xandar.

Trivia

 * In the comics, the Exolon are a race of symbiotic parasites created by Knull that corrupted the body of Wraith, a member of the Kree race.