Because you like Walter Sobchak in The Big Lebowski

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Bobby Singer is a redneck ghost hunter, but all he wants to do is retire to the junk yards of South Dakota. See them in Supernatural.

Quinn Fabray can become a monster when there is something she wants. See them in Glee.

Anakin Skywalker is said to be the chosen one, who will destroy the evil Sith. But he struggles with Jedi ideals as he grows in power. See them in Star Wars Series.

Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

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

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

Chanel Oberlin is a big fan of herself, and she can't see why anyone else wouldn't be too. See them in Scream Queens.

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.