Universal's character encounters vary from day-to-day, so you can never be quite sure who you will meet. But, there are many characters who pop up including Woody Woodpecker™, Curious George, Marilyn Monroe, Betty Boop™, Lucille Ball and Doc Brown from Back to the Future. You can have a photo opportunity with the Transformers  - Optimus Prime, Bumblebee and the evil Megatron, or with Shrek and Donkey.