The following is a list of Aliens that appeared in chronological order from various multimedia sources related to the Alien franchise, with relatively minor roles.
This Alien Soldier pursued the surviving Marines who are trying to escape the hive. The Soldier was gunned down by Vasquez, but it's acidic blood sprayed over Drake, killing him.
This Alien Soldier infiltrated the Bug Stomper while it was on the ground of LV-426. It killed the dropship's crew, Ferro and Spunkmeyer, while in mid-air, causing the dropship to crash, killing it as well.
One of the 20 Xenomorph clones that was born on board the USM Auriga. It assisted the Lead Alien in killing one of it's siblings in order to use it's acidic blood to escape from captivity.
One of the 20 Xenomorph clones that was born on board the USM Auriga. It was killed by the Lead Alien and another one of it's siblings in order to use it's acidic blood to escape from captivity.
This Alien along with one of its siblings pursued Ripley 8 and the survivors. Johner fired a grenade round at them. This Alien evaded it while it's sibling was killed by the round. It swan towards the group, eventually catching up to Hillard and pulled her to her death.
This Alien along with one of its siblings pursued Ripley 8 and the survivors. Johner fired a grenade round at them. It's sibling evaded the round while this Alien was killed by it.
A part of General Spears' Alien Army. Once they landed on Earth, the Aliens immediately turned on their former master. Spears eviscerated No. 15 with his ceremonial sword, but it's acidic blood melted it along with parts of his arm.
This Alien Lurker appeared before Lisbeth alongside four Alien Soldiers. It dismissed the Soldiers and stayed by Lisbeth's side as the Chestburster inside her begin to emerge. It was killed along with Lisbeth and the rest of it's siblings when the Legato exploded.
This Alien Drone sneaked aboard the Torrens and killed both Verlaine and Connor. When Amanda boarded the ship, the Drone was waiting for her. However, she opened the ship's airlock, sending them both into space.