I should try to seperate his looks from Nick's a bit more. The nose thing is not by design, I might revisit that again. What I want to "change" from Nick's appearance is supposed to be reminiscent of Mark Gatiss who played Mycroft in the BBC show. So that means weaker jaw, a lot of wrinkles in the corners of his mouth and a neck that gets thinner and thinner towards the torso. His cheeks are also pointed upwards more than Nick's.