Because you like Martha Jones in Doctor Who

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Jin Kazama is a fearsome warrior torn between the darkness and the light. See them in Tekken .

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

Reclusive, quiet, and seemingly emotionless, Lain Iwakura feels like an outsider in her hyper-connected world. See them in Serial Experiments Lain.

When Kat starts to develop confidence, she realizes that there is nothing more powerful than a fat girl who doesn’t give a damn. See them in Euphoria.

A gruff and hardened professional, Marcus Fenix keeps his emotions buried deep. See them in Gears of War.

Frank West enjoys the adventure that comes from his work. But a zombie outbreak might be a little too much even for him. See them in Dead Rising.

Lady Bird's heart is in the right place, usually, but even the purest of people can fall sway to the havoc-wreaking traps of senior year. See them in Lady Bird.

Tyler Gage is going to have to step up soon on the dance floor. Otherwise, it's back to janitorial work. See them in Step Up.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Norma Bates may look like a harmless housewife, but don't let that fool you. See them in Bates Motel.

Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.