"The Grinch" is his only known name.
He is sometimes called "Mr Grinch". Which may imply that "Grinch" is a surname. If it is, we actually are not told his full name.
Grinch!
Coal!
The only name that the Grinch is ever called is simply "The Grinch".
The dog's name in "The Grinch" is Max. He is the loyal and friendly companion of the Grinch.
The name of the dog is Max the Dog .
Max is the name of the Grinch's dog .
the dogs name is Max
Cindy Lou Who (who was no more than two).
Well if he's Mr. Grinch, wouldn't that be his last name?
In How the Grinch Stole Christmas! they were "The Whos" .
Max .
The Grinch's dog is named Max.