Because you like Frank Costanza in Seinfeld

Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Just because Dracula wants to suck your blood doesn't mean he's not a gentleman. See them in Dracula.

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

While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.

Convinced that the world is conspiring against him, Tatsuhiro's reconciled himself to his fate as a shut-in. See them in Welcome to the NHK.

Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.

Humble, caring, and protective, Scott McCall tries to make the best of his newfound status as a werewolf. See them in Teen Wolf.

Stefan Salvatore was the golden boy when he was alive. Can he keep it up as a vampire? See them in The Vampire Diaries.

In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.