Ghosts

Ghosts are creatures that inhabit Club Penguin Island. Players could transform into a ghost at the Ghost Lab during the Halloween Party 2018 and Halloween Party 2020. The color of the ghost depends on the color of the penguin.

Known Ghosts

 * Gariwald VIII - Gary the Gadget Guy's great uncle, who is an inventor and paranormal investigator
 * Ghost of Yesterday - A character in the stage play A Humbug Holiday.
 * Ghost of Today - A character in the stage play A Humbug Holiday
 * Ghost of Tomorrow - A character in the stage play A Humbug Holiday.
 * Jacob Mukluk - A character from the exclusive Christmas book, A Penguin Christmas Carol, who is a former pizza parlor worker.
 * The Glowing Ghost - A character in the stage play The Haunting of the Viking Opera, who reveals to be a costume designer.