Because you like Prince Zuko in Avatar: The Last Airbender

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.

Cooper says he used to look up at the sky and wonder at our place in the stars, but now he looks down and worry about our place in the dirt. See them in Interstellar.

A master manipulator, Frank Underwood has a tight grip on Washington DC. Plus who doesn't like having a leader who frequently tosses off Shakespearean asides? See them in House of Cards.

Mr. Pink doesn't tip. Enough said. See them in Reservoir Dogs.

Harvey Specter depends on no one and gets his fulfilment from ambition, material success, and expression of his own worth. See them in Suits.

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.

Angel is fighting as best as he can, but the disease might be too powerful for even his strong, positive energy. See them in Rent.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Peppy and optimistic, Joy is totally lost when it comes to dealing with Sadness. See them in Inside Out.

Good fashion? Check. Snarky quips? Check. Supernatural evil-fighting powers? Also check. See them in Buffy the Vampire Slayer.