Possessor

Possessor Ghosts are the main boss ghosts of Luigi's Mansion: Dark Moon. As the name implies, each Possessor Ghost possesses a different body and must be forced out before being sucked up by Luigi. Each Possessor is defined by the number of horns on its head, each one having a horn for their turn being battled (i.e. the Grouchy Possessor has one horn for being the first boss.).

There are five different Possessor Ghosts. They are: The first letters of the names of each Possessor can be spelled out to form the word "Ghost".
 * 1) The Grouchy Possessor of Gloomy Manor
 * 2) The Harsh Possessor of the Haunted Towers
 * 3) The Overset Possessor of the Old Clockworks
 * 4) The Shrewd Possessor of the Secret Mine
 * 5) The Tough Possessor of the Treacherous Mansion