Because you like Cosmo Kramer in Seinfeld

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.

A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.

Sarcastic and always complaining, C3PO is a droid that despite his quirks you always want by your side. See them in Star Wars Series.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

A beacon of positivity with a brilliant legal mind to boot, Elle Woods breaks down stereotypes about what girls can and can't do. See them in Legally Blonde.

A formerly timid caterpillar, Kurt Hummel is transforming into a glamorous, confident butterfly. See them in Glee.

Underneath his preening narcissist exterior, Schmidt is, well, still kind of a preening narcissist. But he has a good heart too. See them in New Girl.

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.

Sookie St. James is a klutzy and perfectionist chef who's always there for her friends. See them in Gilmore Girls.

The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.

Thor is Asgardian nobility who is tickled by how us earthlings live. See them in Marvel Cinematic Universe.