Because you like Romeo Montague in Romeo & Juliet

A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.

Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

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.

Abbi Abrams is the ultimate wingwoman because she wants nothing more than to have a good time for its own sake. See them in Broad City.

Arizona Robbins loves being a pediatric surgeon, and the cute orthopedic surgeon downstairs makes coming into work worth her while. See them in Grey's Anatomy.

Michael Scofield is no criminal, and he didn't get jailed by accident. See them in Prison Break.

Donna Meagle has a Benz, a fool-proof strategy to pick up men, and the number for R&B star Ginuine's direct line. Enough said. See them in Parks and Recreation.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

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

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

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.