Because you like Morty Smith in Rick and Morty

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

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.

An all-business doc , Miranda Bailey dispenses tough love to the interns she trains. Emphasis on "tough." See them in Grey's Anatomy.

Level-headed Ian Gallagher may be focused on his goals, but he's got a mischievous side too. See them in Shameless.

Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.

Often on the verge of a nervous breakdown, Annie Edison nevertheless manages to be the brain of the Greendale study group. See them in Community.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.

Donatello might come off as a tad nerdy, but don't let his geekiness fool you. He's a trained ninja and a skilled fighter. See them in Teenage Mutant Ninja Turtles.