Because you like Leonard "Bones" McCoy in Star Trek

A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

Barry Egan has too many anger issues to list here. See them in Punch Drunk Love.

Erlich Bachman is an overconfident wannabe mentor blowing all types of smoke around the tech industry. See them in Silicon Valley.

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.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.

Yippee-ki-yay! John McClane doesn't go down without a fight. See them in Die Hard.

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

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.

Growing up is hard for Carl Grimes. Growing up in a zombie apocalypse is even harder. See them in The Walking Dead.

Dutiful, composed, and aloof, Sun Bak is the fighting force behind her team of eight "sensates" who are telepathically linked. See them in Sense8.

Abbi Abrams is the ultimate wingwoman because she wants nothing more than to have a good time for its own sake. See them in Broad City.