Magical creatures in Harry Potter harbor an attraction to imagery morbid and melancholy. Ghosts are very sensitive about their condition: when the Ministry initially classified them as sentient creatures with full legal rights, they claimed that the term was insensitive and received a separate "Spirit Division", apparently to control the activities and haunting locations of troublesome ghosts (as when Myrtle was forced to haunt the place of her death (Hogwarts) after she had disrupted the wedding of the brother of Olive Hornby, a girl who had teased her at school). Named Ghost characters: Peeves, the Hogwarts poltergeist, is not considered a ghost, but an "indestructible
Poltergeist (roller coaster) addition, a LIM Catapult coaster called Mad Cobra operated at Suzuka Circuit in Japan from 1998–2003; Mad Cobra was moved to China and reopened at Kingdoms of Discovery in 2006. The five Premier LIM catapult coasters share a similar layout and have the same technical specifications. Poltergeist uses a LIM launching system instead of a traditional lift hill to propel riders into its first inversions. Initially, the ride had over-the-shoulder restraints, but due to numerous reports of pain and discomfort, these were replaced in 2002 with more traditional individual ratcheting lapbars. Poltergeist opened in the same year as The Joker's