Because you like Mike Brady in The Brady Bunch

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

After surviving consecutive fights-to-the-death (damn you, President Snow!), Katniss Everdeen is thrust to the front lines of a real war. See them in The Hunger Games .

A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.