Because you like Miranda Tate / Talia al Ghul in DC Extended Universe
Velma Dinkley is all about getting results, not taking credit. She is the unsung hero of Mystery Inc. See them in Scooby-Doo.
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
Therese Belivet spent her life letting other people guide her along, and she wants to take control now. See them in Carol.
Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.
Jackie Burkhart is a privileged princess with a healthy dose of self-confidence. See them in That '70s Show.
A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.
Once a handsome prince, the Beast is now a grumpy, furry, monster. It's hard to pinpoint which mammal he resembles the most. See them in Beauty and the Beast.
Viking Astrid Hofferson has it all: brains, brawn, and some killer braids. See them in How to Train Your Dragon.
When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.
A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.