What types do you think all the Star Trek characters are? These are just my guesses...
Star Trek Original Series
Spock: INTJ (the same as most Vulcans, I would think)
Star Trek: The Next Generation
I think I've noticed a correlation between trekkies and NTs.
Star Trek has all of the big abstract philosophical ideas plus the scientific reasoning, which seems to pair perfectly with NTs. For some NTs it seems to become almost a kind of...I don't want to say religion, but like a philosophy of...