Phantoms are a type of undead. In common understanding, phantoms are either synonymous with ghosts or a specific kind of ghost and the term is regularly used to refer to ghostly objects, vehicles in particular. In Monster High, phantoms too are a type of ghost, although a conclusive definition is lacking. The two recurring traits are reclusiveness and disfigurement, though. The phantoms are among the types of ghosts who gain matter in the Monster World, while they are intangible in the Ghost Wor