* Mickey & Minnie at Town Square
* Donald at Boarding House (Daisy was rumoured to appear as well, though she hasn't)
* Pluto & Goofy at Main Street Motors
* Chip 'n Dale at Plaza Gardens
Characters and meeting spots stay the same, just different outfits.
There won't be any other characters.
In general they will be out in pairs, though sometimes (and this is completely random) only one of the two might be out.
Queues are pretty massive.
People literally start running to the queues from the moment the gates open at 8AM.
By no later than 9AM the queues are closed.
This is also during quite weekdays, so it'll probably be the same in January.