Because you like Billy Costigan in The Departed

Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.

A tough tomboy with a protective streak, Maximum Ride is a human-bird hybrid. See them in Maximum Ride.

Causing mayhem practically since birth, rambunctious Fred Weasley plays pranks on his siblings and avoids school at all costs. See them in Harry Potter Series.

Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.

Pro tip: the psych ward is not the best place to find a mentor like Lisa Rowe. See them in Girl, Interrupted.

Duck, girl, and legend: Ahiru's identities confuse even herself at times, and she often wonders which of them is truly her. See them in Princess Tutu.

Django was once a slave. Now that he has a taste of freedom, he understandably wants a full meal. See them in Django Unchained.

Resourceful and courageous, Chun-Li is dedicated to using her considerable strengths against evil. See them in Street Fighter.

On the bright side, Mindy Lahiri is always willing to volunteer her opinion. On the dark side, this doc’s prescriptions can be misguided and shallow. See them in The Mindy Project.

It turns out Dracula's son Alucard has some pretty severe daddy issues. See them in Castlevania.

Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.

His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.