There are some funny continuity errors and forgotten props that could be considered bloopers. Like in one scene, a decoration might suddenly disappear in the next shot.
The Grinch is a fictional character. He is a green, furry creature who lives on a mountain above the town of Whoville. He hates Christmas and decides to steal all the Christmas - related things from the Whos in Whoville.
Some bloopers could be related to the set. Maybe there were times when the snow on the ground looked too fake, like if it was clearly made of cotton and you could see it was not real snow. Also, if the costumes had some sort of malfunction. For instance, if the bunny suit that Ralphie's little brother wore had a tear or a part that didn't fit right and it showed during filming.
One well - known blooper is a continuity error with the band - aid on Vincent's neck. It appears and disappears in different scenes without a clear explanation.
The Grinch is purely fictional. He's become a beloved character in children's literature and media, but he doesn't exist in reality. His antics and personality are all part of the fictional world.
The Grinch is purely fictional. It was made up to bring joy and tell a heartwarming tale during the holiday season. There's no basis in real events or people.