Dating back from 2007, here are the original NPS® comic strips from CustomerGauge. Oldies but goldies we say!
All you need to know about the Net Promoter Score® - in cartoon strip format. As evangelists of Fred Reichheld's work, we found ourselves explaining the concept behind Net Promoter so many times that we thought it would be fun to put into a comic format. Seems to be quite popular so we put it on the site as a free PDF downloads.A few versions:
2008 in English: Net Promoter Comic from CustomerGauge Net Promoter Comic English
In German DE-Comic-NetPromoter2
In Italian: Page 1: Page 2: In Polish:
The "Mark Kent Super Hero" version