Because you like John Dorian in Scrubs

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.

All who live know his name, and all who oppose him shall know Death. See them in Darksiders Series.

Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.

Gruff and efficient, Sam Fisher protects a nation that can never admit he exists. See them in Tom Clancy's Splinter Cell.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.

Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.

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.

Max Fischer is the President of every club who's fighting to save Latin at his school and kiss his teacher. See them in Rushmore.

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.