Because you like Ruth Fisher in Six Feet Under

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

Brandon Teena is an adventurous young man with the courage to be himself. See them in Boys Don't Cry.

Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.

Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

In a rag-tag group of kids determined to take down the imperialistic Fire Lord, Katara is the glue that holds them together. See them in Avatar: The Last Airbender.

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

Ferociously independent and wickedly smart, Fiona Goode is a Supreme Witch who truly reigns supreme. See them in American Horror Story.