Because you like Will Turner in Pirates of the Caribbean: the Curse of the Black Pearl
Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.
Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.
She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.
An exuberant prankster, Naruto Uzumaki craves acknowledgement of any kind. See them in Naruto.
Courteous, dangerous, and powerful, Kaname Kuran controls an entire court of vampires. Very, very pretty vampires. See them in Vampire Knight.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
Bojack Horseman is a former sitcom star who loves sharing his opinions with anyone who will listen. Oh, and drinking. A lot! See them in Bojack Horseman.
When dealing with a half-demon partner and a world of violence, Kagome Higurashi has plenty of chances for her true courage to shine. See them in Inuyasha.
Maka is determined to collect and purify 99 Kishin eggs– human souls that have been corrupted by evil– and one witch soul. See them in Soul Eater.
Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.
A sadistic sociopath, Lil Z is helping make the City of God slum a Hell on Earth. See them in City of God.