Because you like Billy Costigan in The Departed

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.

It's impossible to say whether Winifred Burkle is cuter than she is smart, or vice versa. See them in Angel.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

Warm and caring, Kitty Forman acts like a mom towards all of her kids' friends. See them in That '70s Show.

He's a get rich or die tryin' kind of raccoon. See them in Marvel Cinematic Universe.

Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.

Don't underestimate Maggie Greene. She's a farm girl with a mission. See them in The Walking Dead.

After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..

Franklin "Mouse" Finbar is a jock paying the price for his mistake. See them in Jumanji.

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