Because you like Callie Torres in Grey's Anatomy

Sarah Ashburn lives life by the book and has trouble getting along with anyone who doesn't do the same. See them in The Heat.

CIA operative Carrie Mathison is on a self-assigned mission to follow a lead, whether it be the truth or just her delusions playing tricks. See them in Homeland.

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.

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

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.

Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).

Chanel Oberlin is a big fan of herself, and she can't see why anyone else wouldn't be too. See them in Scream Queens.

In the Land of the Dead, finally free from the restrictive customs of Victorian society, Victor Van Dort is coming out of his shell. See them in Corpse Bride.

There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.

Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.

Donatello might come off as a tad nerdy, but don't let his geekiness fool you. He's a trained ninja and a skilled fighter. See them in Teenage Mutant Ninja Turtles.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.