I agree with most of those, but I disagree with the "doofus" label for ISTPs. They're the gearheads. Also, I think ENTPs are more likely than INTJs to act like a Nutty Professor. A good stereotype for INTJs is "Natural Leaders". The quotation marks make it derogatory.
Originally Posted by Jack Flak
and SPs don't get one because in order to effectively insult someone they have to know what words mean?