Because you like Mabel Pines in Gravity Falls

He's a dedicated cop and a nice guy. But James Gordon is learning that Gotham is not a city for nice guys. See them in Gotham.

A premier member of the leather cat-suit club, Selene can chill you with a stony look, or ice you with her ninja moves. See them in Underworld.

Jesse Tuck dreams of finding someone to join his unusual family. See them in Tuck Everlasting.

Kumar Patel is always high, always hungry for sliders. See them in Harold & Kumar Go To White Castle.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.

Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.

Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.

Francis Freeman may be impervious to pain, but he sure knows how to inflict it. See them in Deadpool.

Frank N. Furter is just a sweet transvestite with some not-so-sweet plans. See them in The Rocky Horror Picture Show.

With a brilliant mind, an insane level of confidence, and a penchant for drunken dancing, Cristina Yang is a force to be reckoned with. See them in Grey's Anatomy.

Armed guards, FBI agents, notorious serial killers – Hannibal Lecter has bested them all, with time to finish dessert afterwards. See them in The Silence of the Lambs.

Though he has a brilliant mind for mathematics, Christopher has a much harder time processing the rest of the world. See them in The Curious Incident of the Dog in the Night-Time.