Because you like Altair Ibn-La'Ahad in Assassin's Creed Series

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

Inmate "Crazy Eyes" is a poetic soul with some big, expressive eyes. See them in Orange Is The New Black.

Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.

CIA operative Carrie Mathison is on a self-assigned mission to follow a lead, whether it be the truth or just her delusions playing tricks. See them in Homeland.

The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.

Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.

A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.

Nicholas Angel is super-dedicated to his job as a police officer. Maybe a little too dedicated. See them in Hot Fuzz.

Firo Prochainezo is swept up in a world of mysterious women, alchemists, and rumors of a wine that makes it drinkers immortal. See them in Baccano!.

One of the best in the magical world, Mad-Eye has the battle scars to prove his dedication to such a dangerous job. See them in Harry Potter Series.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.