Because you like Stephen Hawking in The Theory of Everything

Josh Lucas just can't stop hanging around his stepsister's house. See them in Clueless.

With his good looks and magnetic personality, Will Smith seems destined to be a Hollywood megastar. See them in The Fresh Prince of Bel-Air.

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.

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

Mike Hannigan is a lawyer-turned-pianist who loves to tap into his kooky side. See them in Friends.

Dorothy Gale is a down-home Kansas girl in a bizarre fantasy land with beautiful red shoes. See them in The Wizard of Oz.

Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.

Li Shang will make a man out of you—even if you're a girl. See them in Mulan.

Ally Maine is a star who is about to be born. See them in A Star is Born.

Esmeralda's street wisdom is unparalleled. See them in The Hunchback of Notre Dame.

Scar is sneaky, snarky, and always striving for more power. See them in The Lion King.

Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.