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The Alien (otherwise known as the Drone or Kane's Son) was born on the USS Nostromo when the ships crew was eating dinner The Alien bursted out of Kane's chest and escaped. Later on one of the crew members encountered The Alien as a full grown Xenomorph and it killed the crew member. It almost killed everyone on the ship until it was destroyed.
- The Alien is the only Xenomorph of its kind.
- The Alien has a transparent top head piece.