Because you like Billy Costigan in The Departed

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Alfredo Linguini can whip up five star meals effortlessly. Just don't look under his hat. See them in Ratatouille.

Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.

David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.

Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.

Yes, she's an "older" woman, but that just makes Mrs. Robinson sexier and more seductive. See them in The Graduate.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Glenn Rhee somehow never loses his enthusiastic spirit – even in the middle of a zombie apocalypse. See them in The Walking Dead.

Fox McCloud leads a team of pilots through the Lylat System in search of the evil genius Andross, the villain that killed his father. See them in Star Fox.

Jack's big imagination is never limited by his incredibly cramped surroundings. See them in Room.

The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.