Trivia: In order for Michael Clarke Duncan to look like he's 7ft as in the book, they made him many different things such as walking on a wooden plank throughout the film and making a smaller electric chair just for him. He was also given a small bed during the scenes in his cell. When he's seen with the two dead little girls, they're actually a 7th smaller than the real girls to make him look much bigger.
Trivia: In the movie John Coffey has sort of a "messiah"-like role. His initials J.C might be a reference to Jesus Christ, as this is very fitting for his role. [This is a not-so-subtle attempt which places Paul Edgecomb in the role of Pontius Pilate]
Trivia: The floors in the hallway of the nursing home are the same faded lime green as on the green mile.
Answer: No. Percy is just a typical bully who abuses his power and enjoys picking on people he thinks are weak plus, as a guard, he can do it all he wants without facing any form of punishment.