Louie was born a few minutes apart from his cousin Millie Peterson. His father's name was Geoff, and he had a baby sister named Ella. (PROSE: The Night After Hallowe'en) Louie had been to a fun Halloween party with Millie, which they were discussing as they left school the next day. On his way home, the tyre of Louie's bicycle received a puncture and he was forced to stop in the middle of a street lined with warehouses. He entered one of the warehouses, looking for someone to help him, but instead the warehouse was filled with Halloween decorations. He then saw a decaying man and met the Doctor, who took him a safe distance away. The toy spiders in the warehouse were then animated by the alien, and an animated skull and red eyes that fed off of Louie's fear appeared. Louie calmed his heart