Mr. Toggle is a robotician who created a robotic piano teacher known as Dr. Shreek and works at his building posing as the maintenance man. When Dr. Shreek starts attacking Jerry for his hands, Mr. Toggle shuts him down Mr. Toggle then reveals that he is obsessed with collecting his students' hands because he can't make human-shaped hands correctly. In the end, he is taken away by a bunch of ghosts from the disembodied hands and dragged into the forest behind the school never to be seen again.