The Iron Maiden is one of the Crimson Chin's arch nemesis. She is a giant robot in the form of a maid wielding a giant vacuum cleaner.
Her only appearance was in Catman Meets The Crimson Chin.
- She may be based on the Mega-Maid transformer from the Mel Brooks film Spaceballs.
- She also may be based off the band Iron Maiden because the Crimson Chin says " her heavy metal won't harm the city no longer ".
- Its name is based on Iron Man.
- She is also the 2nd Crimson Chin villain to have Iron in its name after the first villain, the Iron Lung.