Continuity mistake: During the opening song, as Gary is dancing with the crowd, right before the chorus of the song kicks in, Gary spins around, with his hand to his nose like he's about to sneeze. During the first shot from the front, he puts his hand up to his nose, and begins to turn in a clockwise direction. He turns about 15° as the camera cuts to the next shot, and he has suddenly turned a complete 180° instantly between shots, and is facing the opposite direction.
Continuity mistake: Jack Black gets shaving cream put on his face by the barbershop quartet during the telethon. The pattern on his face changes instantly between shots.
Answer: He was a greedy man who wanted to drill underneath the Muppet Theater for oil. He was Ebenezer Scrooge.