Well, you have to be careful with the late breakfasts. For instance, at Storytellers, we had the last seating time, but Chip and Dale were gone and had been gone for an hour; they have other obligations (that's how the hostess put it) and aren't there that late. In addition, they stop menu-ordering at Storytellers right at that last seating, so we could not order from the menu and had to go for the buffet. We were NOT told at that time that the buffet chefs could have made anything from the menu, so I had to go without the long-awaited whatever it was I'd wanted from the menu.
As an aside, Storytellers and the Lilo/Stitch breakfast at PCH Grill allow for buffet (which includes beverages) OR menu ordering (which does NOT include beverages).
And Disney Dining knows NONE of this, b/c they aren't onsite and aren't in the restaurants, so it was a big disappointment!
That said, we saw Terk, Meeko, Kenai, and Koda at the restaurant, which was fine, but DS has a soft spot for chip and dale, and it was a bummer to not get to see them (for him...I couldn't care less about characters) at "their" breakfast.
So be careful with this plan.
That said, others have been very successful seeing characters at the ends of meals!
