Because you like Master Chief (John-117) in Halo

A hurricane of a human being, Marla Singer is destructive and unforgettable. See them in Fight Club.

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

With the loyalty and pluckiness of a puppy, Nana Komatsu is a hopeless romantic. See them in Nana.

In the Land of the Dead, finally free from the restrictive customs of Victorian society, Victor Van Dort is coming out of his shell. See them in Corpse Bride.

Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.

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.

Ezra Fitz is a young English teacher hounded by his own relationship mistakes. See them in Pretty Little Liars.

Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.

Most kids hope for a car for their 16th birthday, but Mia Thermopolis' present is a country to rule. See them in The Princess Diaries.

With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.