Because you like Topanga Lawrence in Boy Meets World
Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.
With the ocean breeze behind him and the open seas ahead of him, Jack Dawson feels as if he is king of the world. See them in Titanic.
Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.
Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.
Peppy and optimistic, Joy is totally lost when it comes to dealing with Sadness. See them in Inside Out.
Though he has a brilliant mind for mathematics, Christopher has a much harder time processing the rest of the world. See them in The Curious Incident of the Dog in the Night-Time.
The "runt" of his biker gang, Tetsuo Shima grapples with a perpetual inferiority complex. See them in Akira.
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..
Part of an elite team of investigators, Abby Sciuto is the happiest Goth to ever work in law enforcement. See them in NCIS.
Korra is stubborn, outgoing, and faced with huge responsibilities she might not be ready for. See them in The Legend of Korra.
Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.