No, definitely not. He seems far too literal, he applies his own beliefs and judgements on others to the point of complete negation. He can't understand or even try to comprehend anything that does not fit his traditional world view. Remember they are /forcing/ him to do the things he does, and he supposedly HATES it. I would like to think INTPs are more free-form and accepting thanks to the Ne and Ti, plus curiosity is a heady drug for INTPs, not so much for Karl.

Pilkington strikes me as ISTJ (methodical, slow, all about measuring everything around him based on external criteria rather than his own. etc etc.) MAYBE an INTJ, but this is not my vote (Uses abstract symbols to explain things - he is sometimes a bit of an idiot savant when processes his experiences abstractly. Same, Te focused with applying external rules and regulations rather than internalizing. However, I don't think he has weak Se, he seems to be pretty aware of whats going on around him which is why I don't think he is INTJ.)