Because you like Helen Harris III in Bridesmaids
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
A photographic memory is just one of many skills Lexie Grey brings to the table as a surgeon. See them in Grey's Anatomy.
Cady Heron is the new girl in town who's also new to the world of high school, period. See them in Mean Girls.
Offred wisely keeps her head down even as she hopes for more. Unfortunately, hope is dangerous in Gilead. See them in The Handmaid's Tale.
Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.
GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.
Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.
A fearless superhero, Carol Danvers always aims to go higher, further, faster. See them in Marvel Cinematic Universe.
Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.
Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).