Because you like Donna Noble in Doctor Who

Carolos has perfect hair, a lab coat, and a constant readiness to do science. See them in Welcome to Night Vale.

Effie Trinket is utterly enamored with all things fashion, make-up, and style. See them in The Hunger Games .

Jyn Erso is a rebellious criminal tasked with stealing the blueprint to the Death Star to find its fatal flaw before it destroys the planet. See them in Rogue One.

Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.

Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.

Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.

Michael Moscovitz is a high school student of few words but a lot of heart. See them in The Princess Diaries.

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

What Troy Barnes lacks in common sense, he makes up for with heart. See them in Community.

Pure charm, flirty and fashionable, Lando Calrissian will make sure to get the job done when necessary. See them in Star Wars Series.

A majestic ruler, Mufasa is respected throughout the animal kingdom. See them in The Lion King.

Winn Schott is just your friendly neighborhood superhero support system. See them in Supergirl.