Character breakfasts are your cheapest route:
Ohana at Poly has Stitch, Mickey, and Goofy (I think)
Crystal Palace at MK has Pooh and friends
1900 Park Fare at Grand Floridian has some Pooh and Mary Poppins
Tusker House at AK has Donald, Daisy, and ???
Cape May at Beach Club has Minnie and ??? in beachwear
These are all within a couple dollars more or less of $25.