Louie" Christopher Preston is the son of Ray Preston, and is Miles Preston's brother. He, along with his brother and father, lives with the Hathaways. He is portrayed by Benjamin Flores Jr. It is currently unknown what the cause of his death was.
Unlike his friendly older brother, Miles, Louie tends to be feisty and sarcastic and does like haunting people. At first, Louie wants to get rid of the Hathaways, but after Taylor saves them and Michelle attempts to save them, his father agrees to let them stay in the house. Frankie seems to like him, claiming that he is awesome after meeting him for the first time. He also seems to be the only one in his family who doesn't want to share the house with the Hathaways.
- As of "Haunted Boo Crew", he is a member of the Boo Crew.
- He became a level 1 ghost after transforming himself into a wolf.
- He was supposed to reach level 2, but missed the test to help Frankie
- He is one of the few ghosts to know who the Thunderman family are and that they have superpowers.
- He gets scared very easily.