Looking really good Howard! About the crease I know I 'rabbit' on about the rabbit tutorial on this site a lot but it has a bit on moving the UV's around to get rid of creases and unwanted bits. Also useful for M as it explains about planar mapping the faces! I might try going for 3 future posts without linking it! I CAN quit linking the rabbit tutorial! Look I am not even linking it now (as I am sure you can find it).

Model is loking really nice, only minor thing would be about the face- perhaps if he is an older man in the moon he might need a few wrinkles on his forehead? He just looks quite young at the moment, because he is so smooth. Just noticed as your concept has wrinkly hints. Or perhaps you are going to do things with the cheese texture- if so sorry.