Because you like Mrs. Hughes in Downton Abbey

As the White House Press Secretary, C. J. Cregg is a master of verbal karate and the best damn basketball player in Ohio Valley history. See them in The West Wing.

Point the fun-loving Pippin Took towards second breakfast, and he's one happy hobbit. See them in The Lord of the Rings.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

A determined and cold-hearted spy, Cassian Andor will do what it takes to stand up to the evil Galatic Empire. See them in Rogue One.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Tina Cohen-Chang is a shy loner who becomes a fierce performer on stage. See them in Glee.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

General of the formidable Dora Milaje, Okoye is forced to make the difficult choice of staying loyal by the king’s side, or to her good friend who was overthrown. See them in Marvel Cinematic Universe.

K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.

Peter Kavinsky is a jock who only cares about getting back at his ex, or so he says. See them in To all The Boys I've Loved Before.

April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.

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.