I'm interested and I think I'd be interested in taking on the Doctor and the Engineer roles possibly one more or even some other combination but I defiantly have some strange directions I'd like to take a medically based character in as well as an engineering based character. Something along the lines of forensic pathologist reassigned and re educated as a doctor. Someone who has gone from dealing with the dead to dealing with the living and was perfectly happy with dealing with the dead. I think I could bring something fun to the table with that as I have some experience working with a coroner's office. 

My thought process with the engineer was something along the lines of a slightly crazy alcoholic maybe still in morning for an adopted daughter who he is convinced is still hanging around in the form of a ghost that he feels responsible for. 

Just toying with some ideas, If you have somewhere you'd like character sketches posted I could come up with a few. Defiantly at the least one for the doctor and engineer, I've been bad about not testing my limits in RPs and I feel like this would be a great jumping off point for me as far as a swim in the deep end.