Funny enough, I've always found I was a mix between Sherlock and Mycroft.
I took the quizz a first time, and got Sherlock with those answers: intelligence / Monty python and the holy grail (which is actually MY favourite movie along with Life of Brian hehe) / check my email / Ravenclaw / Washington (but only because I've already been a couple of times in London, whereas I just spent a few hours at Washington airport due to the weather) / My computer / Not much with the whole relationship, thanks.
and I got Mycroft, then I took the test again and only changed Washington into London, and this time I got Sherlock
Which kinda fits as I'm sarcastic (bot Sherlock and Mycroft are), if you don't count my son, I'm alone most of the time and enjoys loneliness as I don't like people that much, people bore me very quickly, I only have 3 friends, I'm rather cold but I can be quite charming in society though it's just a mask, I just CAN'T express my feelings (I can't even tell my son I love him, the words are just stuck in my throat), I don't show it but I do care a lot about the (very) few people who are important to me, I consider myself quite intelligent but I have no culture (ie I don't even know who's the French Prime Minister), I like observing people and trying to deduce things about them, I've got quite a black humour... etc etc...