Because you like Mr. Orange in Reservoir Dogs
Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
It is a truth universally acknowledged that Elizabeth Bennet doesn't suffer fools or prideful men. See them in Pride & Prejudice.
Lorelai Gilmore loves coffee, talking fast, flirting, movie marathons, and her daughter. See them in Gilmore Girls.
While he might be too cool for school, Soul isn't too cool to do the right thing. See them in Soul Eater.
Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.
Tobias "Four" Eaton is only afraid of four things, but you should probably be afraid of him. See them in Divergent.
Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
Intelligent and compassionate, Hazel Lancaster would rather face things, even bad things, than sugarcoat the truth. See them in The Fault in Our Stars.