Because you like Butters Stotch in South Park
It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.
Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.
Gina Linetti views herself as a sort of life coach/influencer to the rest of the office. She's not so keen on the "work" aspect of her job. See them in Brooklyn Nine-Nine.
An arrogant, prideful human-demon hybrid, Inuyasha secretly just wants to be accepted. See them in Inuyasha.
Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.
A former high school outcast, Rebecca Doppelmeyer is tentatively shaking off her misanthropic personality. See them in Ghost World.
Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.
She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.
A vain and arrogant womanizer, Roy Mustang has hidden depths. See them in Fullmetal Alchemist.