A strange fat man comes before the princesses in strange apparel, claiming his holiday is in utmost peril.

TVTropes page yay!A human arrives with a house in Ponyville. The Mane Six, and Princess Luna must deal with this new arrival. But not everyone agrees how it should be handled, not everyone agrees on what danger it represents, or the benefit it can be to Equestria.

The inhabitant must also deal with the new rules and conventions of this new world it knows nothing about, as well as the mystery of its appearance, and the incongruities of its arrival.
TVTropes page yay!