Question: Brandywine Productions is an American film production company, most known for its film franchise, Alien, a British-American science-fiction horror media franchise centered on the film series depicting which Warrant Officer, played by Sigourney Weaver, and her battles with an extraterrestrial lifeform, commonly referred to as "the Alien"?

Context paragraphs:
Gordon Carroll: Gordon Carroll (February 2, 1928 – May 20, 2005) was an American film producer.  He is known for his work on "Alien" (1979), "Aliens" (1986), and "Alien 3" (1992).  He died on September 20, 2005 in Los Angeles, California, USA.  He also co-founded Brandywine Productions with David Giler and Walter Hill, a film company most famously associated with the "Alien" series of films.

The Thing (1982 film): The Thing (also known as John Carpenter's The Thing) is a 1982 American science-fiction horror film directed by John Carpenter, written by Bill Lancaster, and starring Kurt Russell.  The film's title refers to its primary antagonist: a parasitic extraterrestrial lifeform that assimilates other organisms and in turn imitates them.  The Thing infiltrates an Antarctic research station, taking the appearance of the researchers that it absorbs, and paranoia develops within the group.

Aliens (film): Aliens is a 1986 American science-fiction action horror film written and directed by James Cameron, produced by Gale Anne Hurd and starring Sigourney Weaver, Carrie Henn, Michael Biehn, Paul Reiser, Lance Henriksen, Jenette Goldstein, William Hope, and Bill Paxton.  It is the sequel to the 1979 film "Alien" and the second installment in the "Alien" franchise.  The film follows Weaver's character Ellen Ripley as she returns to the moon where her crew encountered the hostile Alien creature, this time accompanied by a unit of space marines.

Brandywine Productions: Brandywine Productions is an American film production company most known for its "Alien" film franchise.  The company was founded by American filmmakers Walter Hill, David Giler and Gordon Carroll.

Sigourney Weaver: Susan Alexandra Weaver (born October 8, 1949), known professionally as Sigourney Weaver, is an American actress and film producer.  Following her film debut as a minor character in "Annie Hall" (1977), she quickly came to prominence with her first lead role as Ellen Ripley in "Alien" (1979).  She reprised the role in three sequels: "Aliens" (1986), for which she was nominated for the Academy Award for Best Actress; "Alien 3" (1992), and "Alien Resurrection" (1997).  She is also known for her starring roles in the box-office hits "Ghostbusters" (1984), "Ghostbusters II" (1989), and "Avatar" (2009).

Alien (franchise): Alien is a British-American science-fiction horror media franchise centered on the film series depicting Warrant Officer Ellen Ripley (played by Sigourney Weaver) and her battles with an extraterrestrial lifeform, commonly referred to as "the Alien", and depicting android David 8 (portrayed by Michael Fassbender) and his experimentation in creating said lifeform.

Alien: The Illustrated Story: Alien: The Illustrated Story or simply Alien, (stylized as ALIEN) is a sixty-four page critically acclaimed graphic novel adaptation of the 1979 science-fiction horror film "Alien" published by Heavy Metal Magazine in 1979.  It was scripted by Archie Goodwin and drawn by Walt Simonson.  It is the first comic from the "Alien" franchise and one of few of the franchises comic publications which is not associated with the long-lasting "Aliens" line from Dark Horse Comics.  The book was a major critical and commercial success and was the first comic to ever be listed on the "New York Times Bestsellers" list.

Alien (film): Alien is a 1979 science-fiction horror film directed by Ridley Scott, and starring Sigourney Weaver, Tom Skerritt, Veronica Cartwright, Harry Dean Stanton, John Hurt, Ian Holm and Yaphet Kotto.  The film's title refers to a highly aggressive extraterrestrial creature that stalks and attacks the crew of a spaceship.  Dan O'Bannon, drawing upon previous works of science fiction and horror, wrote the screenplay from a story he co-authored with Ronald Shusett.  The film was produced by Gordon Carroll, David Giler and Walter Hill through their company Brandywine Productions, and was distributed by 20th Century Fox.  Giler and Hill revised and made additions to the script.  Shusett was executive producer.  The eponymous Alien and its accompanying elements were designed by the Swiss artist H. R. Giger, while concept artists Ron Cobb and Chris Foss designed the more human aspects of the film.

Stitch (Disney): Stitch (also known by his species name/"birth" name Experiment 626, pronounced "six-two-six") is a fictional character in Disney's "Lilo & Stitch" franchise.  An illegally-made, genetically-engineered, extraterrestrial lifeform resembling a blue koala, he is one of the franchise's two title characters, alongside his adopter and best friend Lilo Pelekai, and its primary protagonist.  Stitch was created by "Lilo & Stitch" co-writer and co-director Chris Sanders, who also voices him in almost all media that he appears in.

Alien (creature in Alien franchise): The "Alien" (also referred to as "Xenomorph XX121") is a fictional endoparasitoid extraterrestrial species that is the eponymous antagonist of the "Alien" film series.  The species made its debut in the film "Alien" (1979), and reappeared in the sequels "Aliens" (1986), "Alien 3" (1992), and "" (1997), as well as the crossover franchise "Alien vs. Predator" (2004) and "" (2007).  A similar creature of a slightly different design named the "Deacon" makes a brief appearance in the Ridley Scott film "Prometheus" (2012).  Two species, one being a different but similar creature called a "Neomorph" and the other being a variation of the Xenomorph XX121 species appear in the sequel to "Prometheus", "" (2017), which reveals the potential origin of the species.  In addition, the Alien appears in various literature and video game spin-offs from the franchises.

Supporting paragraphs: Brandywine Productions Alien (franchise)
Answer: Ellen Ripley