Doc is a character that appears in Harvest Moon: The Lost Valley. Doc is an enthusiastic inventor who is an important figure of rebuilding the Lost Valley. Doc gives the main character a very important tool early in the game: ARCHITECT, which allows players to instantly create a variety of useful items, including bridges, wells, fences, and much more! These items will make customizing and exploring the Lost Valley easier, but players still need to work hard to gather all the needed materials.