Because you like Anya Jenkins in Buffy the Vampire Slayer

Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .

A rebellious blue-haired art student, Karou has mysterious connections to a magical world. See them in Daughter of Smoke and Bone .

A former child mayor fallen from grace, Ben Wyatt is still trying to pick up the pieces years later. See them in Parks and Recreation.

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

With an abundant supply of alcohol, nice restaurants, and free will, Crowley is a demon who is thoroughly enjoying his time on Earth. See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.

Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.

The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.

Although she's the queen of killer comebacks and one-liners, Janis Ian is honest about her feelings and cares deeply about her friends. See them in Mean Girls.

Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.

Tony Stonem is the golden boy of Bristol. Problem is, he knows it. See them in Skins.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.