Because you like Joan Wilder in Romancing the Stone

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

The adventurous daughter of Port Royal's governor, Elizabeth Swann would rather conspire with pirates than sit pretty in her corset. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.

A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.

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

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.

He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.

With his own ship, Peter Quill calls his own shots, and gets to fly from planet to planet blasting '70s pop hits and picking up alien chicks. See them in Marvel Cinematic Universe.

Gru's more misunderstood than evil, and if he'd rule over the world like he takes care of his three daughters, we'd be in good hands. See them in Despicable Me.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.

Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.