Artist Carole A. Feuerman creates sculptures that are so realistic, it can be hard to tell that they aren't actually real people -other than the face that many of them are coming out of walls or missing body parts like their arms. Be sure to click on the link to see more of her awesome sculptures.
Link
http://allthepleasuresoftheworld.blogspot.com/2011/01/duane-hanson.html
The one of the old lady reading a letter with her poodle curled up at her feet is in the Whitney Museum in NYC and, man, it looks totally real.