There is Crystal Palace in the MK... It would be great if you can get a reservation before the park opens. It is cool to take a pic on Main Street when it is empty. Crystal Palace has Pooh and friends... They have tons of yummy food choices at a buffet and great character interaction.
Hollywood Studios has Playhouse Disney character breakfast at Hollywood & Vine... A medium-size buffet with pretty good food... We enjoyed this one.
MY CHOICE WOULD BE: Animal Kingdom has Tusker House breakfast with Donald, Daisy, Mickey, Goofy.... Large food selection of very good food.... Cool, African atmosphere... Great characters (interaction not always great, but always good)... Place is loud and crowded... BUT WE LOVE IT for the very good food and great characters... This is also one I suggest getting an early reservation (like 8 AM)... Eat breakfast and head right to the safari next door. It is great to see the animals on safari early because they are out, active and eating. This is a great experience!