Atticus Thorn is the main antagonist of 2003 Haunted Mansion videogame. He is the leader of an evil organization known as the Order of Shadows. In this version of the Haunted Mansion, it is he who has made the mansion haunted by inviting evil spirits, giants spiders, banshes, etc. His main purpose is to wipe out the benevolent forces in the world. Atticus Thorn has been alive for many centuries which would either make him an immortal or undead. He has imprisoned Madame Leota and the other ghosts in the mansion as part of his conquest of the afterlife. In the end Thorn is defeated by Zeke Holloway by the magical Beacon of Light.