Because you like John McClane in Die Hard
Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.
When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.
He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Joel is a hardened, jaded survivor who keeps finding things to fight for. See them in The Last of Us.
A loyal dinosaur, Yoshi loves both saving the day and chowing down on a good meal. See them in Super Mario Bros..
A legendary warrior with a complicated relationship to the truth, Jaime Lannister is revered and reviled in equal measure See them in Game of Thrones.
His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.
Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.
Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.
Liv Moore is a sarcastic high-achiever turned morally conflicted zombie. See them in iZombie.
Good fashion? Check. Snarky quips? Check. Supernatural evil-fighting powers? Also check. See them in Buffy the Vampire Slayer.