Because you like Inigo Montoya in The Princess Bride

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.

A deadbeat dad and small-time con-artist, Frank Gallagher gives nothing and yet expects everything. See them in Shameless.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.

Pengiuns, turtles, and all things scientific is where Sam's expertise lies. Girls are uncharted territory, but Sam is trying to branch out. See them in Atypical.

Ratchet is a shoot-first, ask-questions-later, and then-shoot-again kind of lombax. See them in Ratchet & Clank.

Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.

Socialite-turned-runaway-turned-waitress, Rachel Green is the legendary story of riches to rags, trying to work her way up again with the help of her friends. See them in Friends.

Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.