Well Dragongirl, that means you have to go take that hat off for him.
Or maybe it's a cursed item... so other messageboard logos can say "HEY LOOK AT THAT ENWORLD! HE STILL HAS THAT SANTA HAT ON!"
Santa Hat: +2 Cha check in December, -2 Cha check past January 5th, Immunity to eggnog.
Item creation cost: 10 gp (unless sponsorsed by cola company), 50 xp
Hmmm, our Christmas decorations usually get taken down around February/March timeframe . When Mardis Gras rolls around, we realize we forgot to "de-celebrate" the previous holiday.
Then again, there is my grandmother who leaves her decorations up 'till about June or so...