Because you like Emmett Brown in Back to the Future

Hanna Marin is a determined girl defined by her ability to transform herself. See them in Pretty Little Liars.

A charismatic and misunderstood FBI agent, Dale Cooper relies on dreams and premonitions to solve cases. See them in Twin Peaks.

Finn pulled off the impossible: he quit life as a Stormtrooper. Unfortunately, life only got more complicated after that. See them in Star Wars Series.

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.

Steve Rogers is a good soldier. But above all, he's a good man. See them in Marvel Cinematic Universe.

He's the great Black Star, and he's come to assassinate you. See them in Soul Eater.

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.

Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.

Alien insists on taking the party with him wherever he goes. And if you're lucky, you'll get to see his gun collection. See them in Spring Breakers.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.