In 'Cinderella', what does Cinderella leave behind at the ball?

In 'Beauty and the Beast', what is the name of the heroine? In 'The Little Mermaid', what is the name of the mermaid? In 'Aladdin', what is the name of Aladdin's monkey? In 'Aladdin', what is the name of the villain? In 'Up', what is the name of the talking dog? In 'Monsters, Inc.', what is the name of the little girl? In 'Monsters, Inc.', what is the name of Mike Wazowski's best friend? In 'Inside Out', which emotion is the main character's leader for most of the film?