Because you like Billy Costigan in The Departed

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

Susan Caraway joyfully dances to the beat of her own drum. See them in Stargirl .

Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.

Lazy and cynical‚ Bernard Black is the ultimate curmudgeon. See them in Black Books.

Summer Roberts is privileged and preppy but also surprisingly open-minded and fiercely loyal. See them in The O.C..

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

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .

Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.

An undercover DEA agent, Max Payne is too focused on avenging the past to plan for the future. See them in Max Payne.

There's no obstacle too great for this charismatic treasure-hunter. See them in Uncharted.

Phil Coulson is a deadly field agent with the demeanor of a friendly dad. See them in Marvel Cinematic Universe.

Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.