Two years after making her screen debut with a minor part in Woody Allen’s Annie Hall, Sigourney Weaver cemented her place as one of cinema’s greatest icons with the role of Ellen Ripley in Ridley Scott’s Alien. In addition to launching Weaver’s own career, Ripley proved that female heroes could lead action movies, paving the way for Sarah Connor, the Bride, and Furiosa.

RELATED: Sigourney Weaver's 10 Best Movies, According To Rotten Tomatoes

Ripley is still the character that Weaver is most associated with – and probably always will be – but she’s played a bunch of other memorable roles since then, including Galaxy Quest’s Gwen DeMarco, Gorillas in the Mist’s Dian Fossey, and of course, Ghostbusters’ Dana Barrett.

Ripley: “I Got You, You Son Of A B****.”

Ellen Ripley in Alien

As Ripley is floating away from the Nostromo and the ship explodes, seemingly destroying the xenomorph once and for all, she quips, “I got you, you son of a b*tch.”

It’s not uncommon for action heroes to sign off with a cool one-liner after vanquishing the bad guy. Unfortunately for Ripley, killing the alien is just the first part. She then has to drift through space for six weeks – which turns into 57 years – on her way to find other humans.

Dana: “We Both Have The Same Problem: You!”

Dana Barrett watching the Ghostbusters ad on TV in Ghostbusters 1984

Dana isn’t receptive to Dr. Venkman’s attempts at flirting right away. In fact, she’s not interested at all, telling her would-be suitor that he’s “so odd.”

Venkman tells Dana, “I meet you, and I say, my God, there’s someone with the same problem I have,” and she hilariously replies, “Yes, we both have the same problem: you!”

Ripley: “Come On, Cat.”

Ripley Holding Jonesy the cat in Alien 1979

In the final moments of Alien, Ripley records one last report for the Nostromo’s log, informing anyone who finds it that every other member of the crew has been killed and the ship has been destroyed.

Then, she says, “This is Ripley, last survivor of the Nostromo, signing off,” before telling Jonesy, “Come on, cat,” and taking it on the escape pod with her.

Dana: “Are You The Keymaster?”

Sigourney Weaver in Ghostbusters

After being possessed by the Gatekeeper, Dana becomes obsessed with finding the Keymaster. When Dr. Venkman comes to the door, she asks, “Are you the Keymaster?,” and he replies, “Not that I know of,” so she slams the door.

RELATED: Ghostbusters' 10 Funniest Scenes

Then, he knocks again, she opens the door, and repeats the question: “Are you the Keymaster?” This time, Venkman replies, “Yes. Actually, I’m a friend of his. He asked me to meet him here.”

Ripley: “You Know, Burke, I Don’t Know Which Species Is Worse.”

Paul Reiser as Burke in Aliens

Paul Reiser gives a delightfully hateable performance in Aliens as Carter Burke, the smarmy suit representing the Weyland-Yutani Corporation. Burke is intent on bringing some xenomorphs back to Earth to use as weapons.

When he unleashes a facehugger to impregnate either Ripley or Newt, Ripley thwarts the plan and tells Burke, “You know, Burke, I don’t know which species is worse. You don’t see them f*cking each other over for a g*ddamn percentage.”

Dana: “Either I Have A Monster In My Kitchen Or I’m Completely Crazy.”

Sigourney Weaver as Dana Barrett in Ghostbusters (1984)

After observing a ghost in her fridge, Dana calls the Ghostbusters and Dr. Venkman goes over to her apartment to get a reading. However, the ghost is gone from the fridge, so the most horrifying thing in there is junk food.

When Venkman gets no reading in the fridge, Dana cracks, “Well, that’s great. Either I have a monster in my kitchen or I’m completely crazy.”

Ripley: “I Will Never Leave You. That’s A Promise.”

Aliens-Newt-Ripley

While the characters in Alien were written unisex so gender doesn’t play a big role in the plot, James Cameron leaned into Ripley’s maternal instincts in Aliens. After losing her own daughter, she finds a surrogate one in the form of Newt.

RELATED: Alien: Why Ripley Is A Perfect Protagonist (& The Xenomorph Is A Classic Movie Monster)

Ripley’s relationship with Newt is really sweet. She’s determined not to make the same mistakes she made with her own kid, telling Newt, “I will never leave you. That’s a promise.”

Dana: “You’re More Like A Game Show Host.”

Bill Murray and Sigourney Weaver in Ghostbusters

From the moment that Dana calls the Ghostbusters about the demonic presence in her fridge, Dr. Venkman is smitten with her and intends to use her time as a client to woo her.

After spending some time with Dr. Venkman and observing his wacky antics, Dana says, “You know, you don’t act like a scientist.” Venkman says, “They’re usually pretty stiff,” but then she clarifies what she means: “You’re more like a game show host.”

Ripley: “Get Away From Her, You B****!”

Aliens - Ripley in Power Loader

When Newt is captured by the xenomorphs, Ripley climbs into one of the exoskeleton suits and takes on the alien queen in battle with the classic one-liner, “Get away from her, you b*tch!”

What follows is one of the most iconic action scenes in James Cameron’s filmography, which is saying a lot considering it’s the same filmography with T2’s drainage system chase.

Dana: “There Is No Dana, Only Zuul!”

Sigourney Weaver in 1984 Ghostbusters

In the first Ghostbusters movie, Dana is possessed by a ghost named Zuul that she finds living in her refrigerator. When Zuul introduces himself through his host body to Dr. Venkman, he asks to speak to Dana instead.

Zuul snaps back, “There is no Dana, there is only Zuul.” As Venkman insists on speaking to Dana and Zuul’s intonation gets even more demonic, the Ghostbuster quips, “What a lovely singing voice you must have.”

NEXT: 15 Most Memorable Quotes From The Alien Franchise