Because you like Granny Weatherwax in Discworld

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

Daenerys Targaryen will take what is hers with fire and blood. Thankfully, she has some dragons by her side. See them in Game of Thrones.

Resourceful and pragmatic, Selina Kyle always keeps in mind her number one priority: herself. See them in Gotham.

An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.

Part of an elite team of investigators, Abby Sciuto is the happiest Goth to ever work in law enforcement. See them in NCIS.

Edward Elric has a quick mind along with a quick temper. See them in Fullmetal Alchemist.

Spike Spiegel is a bounty-hunter with a laidback style and lightning-quick moves. See them in Cowboy Bebop.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

Yuri Plisetsky's a hotheaded punk off the ice, incredible artist on it. See them in Yuri on Ice.

Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.

Genetically and cybernetically enhanced, Gamora was trained from birth to be one of the deadliest women in the galaxy. See them in Marvel Cinematic Universe.

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.