Character meals:
In
Disneyland: Minnie and Friends (held at the Plaza Inn, featuring Minnie, Chip and Dale, Captain Hook, Pooh, Tigger, Eeyore, and assorted other characters - a good selection it seems)
In California Adventure: Ariel's (all the Princesses only)
In the Grand Californian Hotel: Storytellers Cafe critter breakfast (features Chip and Dale, sometimes Baloo, Meeko, sometimes Rafiki and Timon, Koda and Kenai from Brother Bear - basically the woodsy and jungle characters) You can order buffet or off the menu.
In Paradise Pier Hotel: Lilo and Stitch (held at the PCH Grill; people say that other than Lilo and Stitch, sometimes you see Goofy and Minnie, Chip and Dale and Donald and Daisy, all dressed in beach or surf attire)
In the Disneyland Hotel: Goofy's Kitchen (they do a character breakfast brunch AND a character dinner; besides Goofy, the regulars are Chip and Dale and Baloo, and there is a revolving cast of characters including Alice and the Mad Hatter, Aladdin and Jasmine, Aurora and the Prince, Belle, etc. All you can eat buffet only, no off the menu orders.