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Brian Clauss

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Brian Clauss
Biographical information


Serial number


Physical description




Hair color




Notable Facts

Part of the team that cloned Ellen Ripley.


Deceased[2] as of 2381[3]

Portrayed by

David Rowe

Doctor Brian Clauss[4] was part of the seven-man scientific team aboard the United Systems Military vessel USM Auriga that successfully cloned Ellen Ripley in order to recreate the Xenomorph XX121 species.


Clauss was present during the operation to remove the Chestburster embryo from Ripley 8. Ripley 8 badly broke Dr. Sprague's arm as he attempted to closing her incisions, Clauss assisted in the surgery to repair the damage.[5]

When the Cloned Xenomorphs later escaped captivity, Clauss was one of the first to arrive on the scene. He immediately discovered several soldiers who had been knocked unconscious, apparently spared to later be hosts for more Chestbursters.[6] After shedding his lab coat and arming himself, he cautiously entered the chamber where the first Xenomorphs had escaped. However, the Lead Alien was waiting outside,[7] and once Clauss was inside the holding cell it activated the nitrogen spray deterrent, drenching him in liquid nitrogen and causing his now brittle body to shatter and crumble.


When going to investigate the holding cell from which the first Xenomorphs had escaped, Clauss armed himself with a United Systems Military Pistol that he took from an incapacitated soldier.


  • Clauss is never named in the film; his name is taken from the novelization. Even though he is credited as a soldier in the movie ("Frozen soldier"), the novel makes it clear he is part of the science team; in the book, before he enters the chamber where he dies, he removes his lab coat to reveal his military fatigues underneath, explaining his appearance in the film.
  • The sequence in the book where Clauss discovers several apparently comatose soldiers in the Xenomorph holding area apparently references the novelization of Aliens, wherein the Xenomorphs sting people with their tails to render them unconscious before taking them to the Hive to be cocooned.
  • Clauss was the first victim to be killed by a Cloned Xenomorph (not counting the Cloned Xenomorph killed by its brethren to initiate the escape).



  1. S. D. Perry. Alien: The Weyland-Yutani Report, p. 145 (2014), Insight Editions.
  2. Joss Whedon (writer), Jean-Pierre Jeunet (director). Alien Resurrection (1997), 20th Century Fox [DVD].
  3. S. D. Perry. Alien: The Weyland-Yutani Report, p. 9 (2014), Insight Editions.
  4. A. C. Crispin. Alien Resurrection, p. 9 (1997), Warner Aspect.
  5. A. C. Crispin. Alien Resurrection, p. 23 (1997), Warner Aspect.
  6. A. C. Crispin. Alien Resurrection, p. 117 (1997), Warner Aspect.
  7. A. C. Crispin. Alien Resurrection, p. 119 (1997), Warner Aspect.

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