Because you like Preston Burke in Grey's Anatomy

If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.

Hiro is a free-spirit and remarkable genius who loves bot fighting and problem-solving. See them in Big Hero 6.

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.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

This wizard is never late, nor is he early. Gandalf arrives precisely when he means to. See them in The Lord of the Rings.

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

Taking down villains, standing up to sexism, and pulling off a bright-red lipstick are all in a day's work for Agent Peggy Carter. See them in Marvel Cinematic Universe.

A beacon of positivity with a brilliant legal mind to boot, Elle Woods breaks down stereotypes about what girls can and can't do. See them in Legally Blonde.

Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.

Winnie the Pooh is a chubby little cubby all stuffed with fluff. See them in Winnie the Pooh.

It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.

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