Orion is a super hero with a serious anger management problem in the DC Comics universe.
The constellation Orion is super famous because its three bright stars on "Orion's Belt" make it really easy to see. (Look for it tonight!)
In the Star Trek universe, the Orions are a race of criminally-minded green aliens whose females have irresistible powers of seduction. (Yo, what does that have to do with the Greek Orion?)
Orion Fowl is the alter ego of Artemis Fowl, appearing in the 7th book in the series, The Atlantis Complex.