He responds in a rather unhelpful way when Layton asks about how the photos on the wall stay so pristine, even though they are over 50 years old. He simply says that he has no special methods, but that photos he has been taking recently have been coming out different from what he sees...
When Layton and Luke leave the mine, he approaches them and tells them to go to the castle. He says he was once a servant of the Herzen family, but had run away, and that he feels that Duke Anton will never forgive him. He adds that he thinks Folsense is coming out of the nightmare it has been in for so long with Layton being there. He leaves, and disappears along with the illusion of Folsense.
Joseph is in the Photo Studio during Layton and Luke's time in Folsense. He gives the puzzle "A Ghostly Puzzle".
Joseph runs the photo studio in Folsense and loves to play pranks on his customers. Because of his penchant for mischief, some of the townsfolk consider him to be a bit of a fibber. But he has no interest in lying to anyone. He just likes a good prank.