For hivemas event here is some ideas
More informations
Hats
Santa claus hat (variant: green)(variant: santa beard added)
deer antler (variant: garlands)
Elf hat
Christmas tree hat
Snowman mask
Pile of snow (variant: ice)
Mounts
Deer (variant: rudolph)
Santa’s sleigh (2 or 4 seats) (variant with snow)
Pets;
Mini Ghosty (variant: Santaclaus hat) (title: bwroo!)
Bonus: Rock (turn the original texture into snow)
I hope you gonna like some of these ideas 
