Although a Toy Story Character Meal has been said to possibly be in the works in the past, that talk has recently died away.
Here is a list of the restaurants and their characters:
MK:
Cinderella's Royal Table: (breakfast, family style) Cinderella, Fairy Godmother, etc
Crystal Palace: (all meals buffet) Pooh and friends
Liberty Tree Tavern: ( dinner only, family style) Colonial Minnie, Pluto, Goofy, and Chip and Dale
MGM:
Hollywood and Vine: (breakfast and lunch, buffet) 1940's Old Hollywood Goofy, Minnnie, Pluto, Chip and Dale
Epcot:
Akersaus, Storybook Princess Breakfast: ( breakfast, family style) various princesses
Garden Grille: (lunch and dinner, family style) farmer Mickey, Pluto, Chip and Dale
Animal Kingdom:
Restaurantosaurus (Donald's Breakfastosaurus, breakfast, family style) Donald Duck, Chip and Dale, and others
Contemporary:
Chef Mickey's: (breakfast and dinner, buffet) Mickey, Pluto, Goofy, Donald, Chip and Dale, and others
Polynesian: '
'Ohana: ( breakfast, family style) Luau Mickey and friends
Grand Floridian:
1900 Park Faire: ( breakfast, buffet) Mary Poppins, Bert, Alice in Wonderland, Mad Hatter, Pooh, Eeyore, Tigger, etc
1900 Park Faire: ( dinner, buffet) Cinderella's Grand Gala, with Cinderella, the mice, the Fairy Godmother, Prince Charming, and others. ( this replaced the Pooh and friends dinner, which replaced the Villians dinner, which hasn't been there since May of 2001.
Cape May Cafe: (breakfast) Seaside Goofy and friends
Hope this helps!