The Twenty Six Outré'd <-AY>s of Xmas: a Doggerel Advent Calendar in Meter & Rhyme

A is Adeste: "O come all ye fai-…"
B’s magus Balthazar, one of a trey.

C…? C is Comet. He pulls Santa’s sleigh.

D’s Donder, getting in (lots!) Comet’s way.

E’s “Ev’ry mother’s child,” trill’d by Tormé.*

F’s shneyman Frosty: “I’m melting...? Oy vay!”
     * The great Mel Tormé co-wrote and 
sang the best rendition of "The Christmas 
Song" -- pacé Nat Cole.

G’s Santa’s Goodies. Check out that array!

H…? Hallelujah: archangels’ ‘hooray.’

I…? I is Icicles – outside! (No tray.)

J’s those bells, Jingle bells…all the damn way!

K is Kris Kringle, a Claus soubriquet

L is “Lulay” – “bye-bye, lulee Lulay.”

M’s Merry gentle Men no things dismay.

N is Noël. “Bon Noël,” Français say.

O is O Tannenbaum, tree aka.
P…? P is Presents, folks' Xmas mainstay.

Q’s Quick, a part of the elf’s** resumé.

R…? R is Rudolph. His nose...? Tres outré.

     ** The so-called "jolly old elf so lively 
and quick" appears in Mr. Clement Moore's 
"A Visit from St. Nicholas."

S is St. Nicholas, dude o' the day.

T is the Tinsel o’er branches we lay.

U’s Up the chimney. (It’s just Kringle’s way.)

V…? V is Vixen. (Do reindeer vote “Neigh”…?)

W’s Wenceslaus. (Miracle play…?)

X…? X is ‘Xmas’ -- a summary way.

Y is the Yule log – the Mock in UK.

Z-z-z-z-zs…? Dreams on Xmas Eve. Then...
     
                          Christmas Day!