|“||Oh man, it itches!||”|
|First appearance:||"I Had an Accident"|
|Latest appearance:||"I Had an Accident"|
The Iron Butt is a machine that doctors use in Bikini Bottom if a patient's butt is severely injured. Tom once had to use one. This device was only mentioned and shown in the episode "I Had an Accident." SpongeBob fears the Iron Butt greatly.
- The Iron Butt is a parody of a device called the Iron Lung, which is used for breathing problems because of Polio.