Ash -- played by the always brilliant Ian Holm. I was so freaked out by his reveal as an android the first time I saw the movie. Until they said what he was I thought he was another sort of alien.
Yesterday and most of today were essentially lost as far as touching the sketchcards, luckily the long weekend is coming and I. . . hang on! I'm a freelancer, I don't get long weekends. . . .