Because you like Bernadette Rostenkowski in The Big Bang Theory

The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.

Ofelia is face-to-face with the deadliest creatures of the underworld and completely unafraid. See them in Pan's Labryinth.

The biggest nerd in high school, Bill Haverchuck is the biggest target for bullies. See them in Freaks and Geeks.

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

Felicity Smoak is a brilliant hacker who nonetheless becomes tongue-tied in front of attractive men. See them in DC Extended Universe.

A talented OBGYN, Addison Montgomery is trying to figure out the whole love and marriage thing. See them in Grey's Anatomy.

Kathy is a natural caretaker who strives to find hope in even the darkest of times. See them in Never Let Me Go.

The black sheep of his family, Rhett Butler grew up to have charm and to see things as they are. He just doesn't give a damn anymore. See them in Gone with the Wind.

Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.

Sophie Sheridan is a proud and independent woman who hardly ever looks before she leaps. See them in Mamma Mia!.

John Wick is a widowed former Navy Seal who becomes a notoriously effective hitman, killing over 124 people with gunshots alone. See them in John Wick.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.