A Spiritual age chapter three: Skirmish! The Exorcist and the Vengeful Spirits.
This actually was not in the 2006 version...well, the qwopping. :p the iron man was instead simply a bruiser who played the iron man theme.
Spiritual age chapter six: An uncertain truth
"i think so, qwop or whatever?" peter asked. "yeah, that. let's just say it's not easy to get this thing to move. emil could do it. i almost got it once, but seriously. this thing is hard to control." "you have to move it out of the basement?
A Treasure of Time 4
Once he had a better idea of how to control the bear than he ever had of how to control qwop, he started playing a new tune, guiding them into the jungle of palm trees and deeper in towards the center of the island.