Oh man! I forgot about this until just now, but a while ago I was watching The Last Unicorn and then suddenly it smacked me in the face-- Prince Lír is an ISFJ. I remember I was so intent on posting it on these forums somewhere but I couldn't really find the appropriate thread to and I didn't want to make one.
And I'd have to agree on Yue, though it hadn't occurred to me until now. She was a very dutiful person.