Because you like Alex Karev in Grey's Anatomy

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

He's a dedicated cop and a nice guy. But James Gordon is learning that Gotham is not a city for nice guys. See them in Gotham.

Regina George is teen royalty. And anything the queen bee says, goes. See them in Mean Girls.

A free-spirited artist, Marjane Satrapi is living under the shadow of an oppressive society. See them in Persepolis.

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.

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.

Jack Twist is a playful free-spirit, but he isn't afraid to fight for what he wants. See them in Brokeback Mountain.

Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Winnie the Pooh is a chubby little cubby all stuffed with fluff. See them in Winnie the Pooh.

Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.

Rarity has been dreaming of the day her designs will dazzle Canterlot. See them in My Little Pony.