Because you like Charlie Eppes in Numb3rs

Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.

Michael Scofield is no criminal, and he didn't get jailed by accident. See them in Prison Break.

Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.

Ianto Jones' withdrawn nature conceals his emotional pain. See them in Torchwood.

Michael Bluth is the only sane person in a family of eccentrics. At least, that's how he thinks of himself. See them in Arrested Development.

Playing his cards close to his vest, J. Daniel Atlas believes the closer you look, the less you see. See them in Now You See Me.

Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.

Jamie Fraser is a noble warrior with a romantic heart. See them in Outlander.

Eliot Waugh is the unspoken leader of his group of friends at a school for magic. See them in The Magicians.

Kate Beckett is a no-nonsense policewoman with a nerdy side. See them in Castle.

Mr. Pink doesn't tip. Enough said. See them in Reservoir Dogs.

All Catelyn Stark wants is to keep her family safe, but life in Westeros makes it nearly impossible. See them in Game of Thrones.