Because you like Mabel Pines in Gravity Falls

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.

A fourth grader without a moral compass, Eric Cartman lives on KFC, Taco Bell, Pizza Hut, and Cheesy Poofs. See them in South Park.

Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.

A reformed former outlaw, John Marston doesn't want any trouble, yet somehow trouble always seems to find him. See them in Red Dead Redemption.

For Vada Sultenfuss, it's hard to embrace growing up when you're obsessed with death. See them in My Girl.

While he might be too cool for school, Soul isn't too cool to do the right thing. See them in Soul Eater.

Who needs friends when you're the King of Duelists? See them in Yu-Gi-Oh! .

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.

Barry Egan has too many anger issues to list here. See them in Punch Drunk Love.

Beneath Yuji Sakai's meek exterior lies an exceptionally keen mind and a strong inner will. See them in Shakugan no Shana.