I cannot help nor send help because I am currently being held in the prison you are about to enter.

Seriously, when Q first appeared my first thought was, "Hello, Sherlock's little brother." And then I went on Tumblr and IT WAS ALL OVER. It's the hair, I tell you. The freakishly similar hair.

Oh and the fact that he's a genius (Sherlock-ish) with perhaps some ideas of or at least some fantasies of world domination. As in he knows he can do it if he tried (Mycroft-ish).