Because you like Emmett Brown in Back to the Future

Beneath Lena Duchannes' prickly exterior lurks a sensitive, compassionate soul. See them in Beautiful Creatures.

Dr. Gordon Freeman is a brilliant physicist is a quiet hero. And given all the violent aliens, he better be. See them in Half-Life.

Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.

Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.

A kind, sensitive medical intern doing the best he can, George O'Malley sometimes struggles to keep up. See them in Grey's Anatomy.

A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.

While he might drive colleagues crazy with his antics, Jake Peralta cares about the Nine-Nine more than most things. Including personal hygiene. See them in Brooklyn Nine-Nine.

We're all puppets. Dr. Manhattan is just a puppet who can see the strings. See them in Watchmen.

Though seemingly caring and calm, this motel owner has a mysterious streak of intensity. See them in Psycho.

If Jack Torrance is one of his moods, you'll be the unlucky victim of the most bone-chilling, sinister yellers around. Bring your own axe. See them in The Shining.

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

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.