That's rather understating it.
Disney is so vicious about protecting its IP rights that their NDAs for certain tech development contractors often forbid them from even listing Disney on their resume.
This is not strictly true. I promise you, if Disney catches you using their property for a Flash game, they will ride down on you like the wrath of god and sue you to within an inch of your life.Quoting MegaBetaDude
Don't use other people's characters without permission. Keep your butt covered.

