Dressed in red clothing, a Santa hat AND a fake beard and mustache, Adi headed over to small group already gathered for the feast. It was a group he knew so he figured he would skive off decorating or helping out the House Elves with baking for a while.
"HOHOHO! HAPPY CHRISTMAS, GUYS!'' LOL. Excuse the Hufflepuff masquerading as a Santa Clause minus the tubby belly.
"Hey, Queen Dot!'' 
He was going to call her that for the rest of her life, okay?
"Hi, Dante, Davie, Ellery!'' The young lion was Ellery, right? He just knew her by seeing her in classes and stuff.
"Nice hat, Dante!''