|Appeared in:|| The Incredibles|
- "Behold, the Underminer! I'm always beneath you, but nothing is beneath me! I hereby declare war on peace and happiness! Soon, all will tremble before me!"
- —The Underminer
The Underminer is is one of the minor antagonists in The Incredibles.
The Underminer appears at the end of the movie, where he announces his "war on peace and happiness!" The Parr family then put on their masks, ready for battle. This led to such a cliffhanger that the creators of the original Incredibles video game created the sequel, The Incredibles: Rise of the Underminer.
- Brad Bird had stated in the DVD commentary that John Ratzenberger having a part in every film was a Pixar tradition that he was originally not planning to use. However he did end up giving Ratzenberger a part, with the joke being that his voice is the very last thing you hear in the film.
- He appears to have robotic prosthetic hands.
- This is John Ratzenberger's first villainous role, with the second possibly being The Evil Dr. Porkchop (Hamm's alter-ego during playtime).
- He appears to be a parody of Marvel Comics villain Mole Man.