Because you like Joan Wilder in Romancing the Stone

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

Simba just can't wait to be king, but he's got a lot of growing up to do first. See them in The Lion King.

Ariel knows there's a whole other world above the sea, but exploring it comes at a big price. See them in The Little Mermaid.

A determined rookie cop , Judy Hopps has her floppy bunny ears to the ground. See them in Zootopia.

Some say to survive in Underland you need to be as mad as a hatter–which, luckily, he is. See them in Alice in Wonderland.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Neurotic, motherly, and oh-so organized, Monica Geller is everyone’s favorite hostess, keen on settling down and starting a family - perhaps too much so. See them in Friends.

Phoebe Buffay works as a masseuse while attempting to put her spark in a world where everyone else’s seems to have dulled. See them in Friends.

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.

Joey Tribbiani's true passions in life are acting, sandwiches, football, sex, and asking ladies, "how you doing?" See them in Friends.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

Whether she's working as a mild-mannered assistant or an all-powerful superhero, Kara Danvers is defined above all by her huge heart. See them in Supergirl.