Because you like Emmett Brown in Back to the Future

Chanel Oberlin is a big fan of herself, and she can't see why anyone else wouldn't be too. See them in Scream Queens.

As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..

Cooper says he used to look up at the sky and wonder at our place in the stars, but now he looks down and worry about our place in the dirt. See them in Interstellar.

If Yuri Katsuki can boost his confidence, he will win over the crowds with his artistry. See them in Yuri on Ice.

Fiercely independent and extremely hot-blooded, Ryuko Matoi prefers to work alone. See them in Kill la Kill.

If Anna Liebert could remember her past, maybe she would know who she is. See them in Monster (TV Show).

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

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

Flexibility is more than Helen Parr's superpower. It's a key tenet of her personality that allows her to be both firm and understanding. See them in The Incredibles.

Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.