[Ghoulish Delight]

For any of these, they make several character pieces of different sizes, and for different needs (some are poseable, some are static, and the size depends on the perspective needed for the shot). So recreating the characters is soemthing they do all the time and not a problem. It's unlikely that every scrap of reference material for the characters was in that one building. The losses are more of a historical/nostalgic tragedy than a production tragedy.