He sensed their joyous cries of happiness from a tremendous distance. They called out to his black heart. He was known to many worlds, but always by just one name. He had no special powers, but he had a singular hatred of all things happy and pleasant. Perhaps his shoes were too tight, or his head wasn't screwed on right, or maybe it was because his heart was two sizes too small. He lived in a cave high on a bleak mountaintop in a dimension composed of dreams and myths, but he was quite real enough.
His Barge was prepared. He cracked his whip, and the tiny beast of burden Max leaned into his harness. The Barge creaked, then began moving, then slid down the mountainside and disappeared into the mists of the multiverse.
It reappeared near an immense mushroom-shaped structure orbiting a blue-green orb at the edge of a striking nebula. There was a powerful sense of wellbeing in that artificial place, but especially in the section called 'Banshee Country'.
"Look at all the little Whos down in Who-ville," he said to Max.
"For all the suffering they've suffered; barely escaping from death's claws...
This must be the work of that goody-goody Claus!"
"I know just what to do!" the Grinch laughed in his throat,
and he made a quick Santa Claus hat and a coat.
And he chuckled, and clucked, "What a great Grinchy trick!"
With this coat and this hat, I'll look just like Saint Nick!"
Then he slid down a plasma exhaust manifold, a rather tight pinch,
but if Santa could do it, then so could the Grinch.
Then he slithered and slunk, with a smile most unpleasant,
around the whole Station, and he took every present!
He stuffed them in bags, then the Grinch, very nimbly,
stuffed all the bags, one by one, up the chimbley!
The Grinch grabbed the bags, and he started to shove,
when he heard a small sound like the coo of a dove.
He turned around fast, and he saw a small Who!
Little Smelly-Jelly Who, who was not more than two.
The Jelly began to sizzle, and ramped up its gauss,
It turned itself into a little yellow mouse!
The Smelly-Jelly crackled, and sparks started to roast.
It shouted, "Picachuuuuuuuuuuuuuuu!" and the Grinch was burnt toast.