Merry Christmas, Merry X-Mas, Merry Sex-Mas, Uncanny X-Men, Happy Holidays, Happy Kwanzaa, Happy Hanukkah/Chanukah, Chanukkah, or Chanuka, Happy Day, Have A Happy, Hugs All Around, Jwaye Nowel, Mele Kalikimaka, Nadolig Llawen, Merry Keshmish, Grüß Vom Krampus, Have A Perfect Pumpkin Pie Day, Wonderful Winter Solstice, Have A Good Yule, Happy Tree Day, Happy Birthday Jesus, One For Mithra, May The Feast Be Bountiful, May The Force Be With You, May The Stomach Ache Not Be With You, Live Long And Prosper, Nanu Nanu, Bah Weep Granah Weep Ninny Bong, Turtle Power, Honor Of Your Constitution, Praise Be To Allah, Praise Quaid-e-Azam, Wonderful Malkh, Celebrate Consumerism, Party Hardy, Word Up, Rock The Casba, Asta La Vista Baby, Thanks For All The Fishes, Have A Nice Day and any other preferred greeting that I'm unaware of to you all or whichever is choisest. May God or other similar Judeo-Christian Messianic figure or The Ancient Ones or whatever evolutionary figure or random confluence of events that resulted in the perfect conditions for life to flourish on this once- barren desolate hunk of rock, or Mephisto, the devil or some other incarnate being or Franklin Richards bring the best to you and yours this day. And from me personally a wassail to you.
P.S.: World unity and peace and harmony in my wishes. Also that when this happens a specific and preferably short greeting is agreed upon for today.