Because you like Kathryn Janeway in Star Trek Voyager

Tiana lives by a simple motto: "Fairy tales can come true. But you gotta make them happen, it all depends on you." See them in The Princess and the Frog.

Katsa is a strong-willed young woman with a deadly skill set. See them in Graceling .

High school is Hell, so Allison Reynolds spends her time giving herself tattoos with ballpoint pens and shaking dandruff out of her hair. See them in The Breakfast Club.

A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.

A good guy who's made some bad choices, Scott Lang is driven in his quest for redemption. See them in Marvel Cinematic Universe.

Orphan Bruce Wayne has a tortured soul, but he's trying his best to weed out corruption. See them in DC Extended Universe.

Ramona Flowers is a delivery girl who's been through her fair share of bad breakups. Super-bad breakups! See them in Scott Pilgrim vs. the World.

John Bender's interests include marijuana, fighting, and breaking the rules. See them in The Breakfast Club.

A girl who grew up on stories, Meggie Folchart is as loyal and intrepid as one of her fictional heroines. See them in Inkheart.

Margo loves mysteries so much that she becomes one. See them in Paper Towns.

Sandy Olsen is out of her head, hopelessly devoted to Danny. See them in Grease.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.