Holiday Mickey is the Christmas Santa Claus-themed version of Mickey, and he is the secret to unlocking 5 secret characters (Reindeer Pluto, Elf Donald, Elf Daisy, Nutcracker Goofy, and Holiday Minnie), and once he has found them all, you will unlock Snow Monster Pete.
Behavior During Gameplay
The classic "Dance of the Sugar Plum Fairies" score plays during the background music, and it goes to all the other holiday characters as well. The environment is a snowy weather.
How To Unlock
When you have updated the game into the Christmas update, you will automatically, first thing unlock him. You can also purchase him in the Ticket Machine.