Because you like Romeo Montague in Romeo & Juliet

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

A gentle alchemist who is soul-bound to a giant suit of armor, Alphonse Elric is growing into the responsibility handed to him. See them in Fullmetal Alchemist.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.

Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.

A talented OBGYN, Addison Montgomery is trying to figure out the whole love and marriage thing. See them in Grey's Anatomy.

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.

Santana Lopez is a cutthroat cheerleader who's not afraid to speak, or sing, her mind. See them in Glee.