Because you like Tom Hagen in The Godfather

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.

It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.

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

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

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

Jax Teller can be cool or vengeful, calm or wrathful, depending on the situation. See them in Sons of Anarchy.

Bob Parr is an ex-superhero now focused on being a dad, but he misses the action. See them in The Incredibles.

Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.

As a doctor-in-training, John Dorian should have his head in the game. But most of the time, it's in the clouds. See them in Scrubs.

Max Fischer is the President of every club who's fighting to save Latin at his school and kiss his teacher. See them in Rushmore.

Introverted Kira Yukimura is sweet, bubbly, and eager to make friends. See them in Teen Wolf.

A Vietnam vet, Travis Bickle spends his days driving his taxi and watching porn flicks. See them in Taxi Driver.