Because you like Derek Shepherd in Grey's Anatomy

His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.

When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.

Sam Roth is sensitive, musically gifted, and scarred by his past. See them in Shiver .

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.

A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.

Ron Swanson is the man's man's man's man. See them in Parks and Recreation.

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

Impassive, overly literal, and a little short on people skills, Angel dedicates her life to enforcing the rules. See them in Angel Beats!.

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .

Judge Dredd is less a man and more a living manifestation of justice. See them in Dredd.

Daxter is half otter, half weasel, all snark. See them in Jak and Daxter.

Miss Havisham is the creepiest old rich lady in town. See them in Great Expectations.