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Phantom guy.png
Both Polterguys forms shown in the bottom screen
First appearance Mario vs. Donkey Kong (2004)
Latest appearance Mario vs. Donkey Kong: Mini-Land Mayhem! (2010)
Parent species Boo Guy
Shy Guy (toy)
MvsDK ShyGuyGhost.png

Polterguys[1][2] (also known as Phantom Guys[3][4]) are red, yellow, and blue Shy Guys based on Boo Guys found in the Mario vs. Donkey Kong series.

Polterguys first appear as enemies in Mario vs. Donkey Kong. Like other enemies in the game, coming in contact with Mario will cause him to die and lose a life. They cannot be defeated, but they can be turned into blocks when Mario presses a button the same color as the ghosts. This will allow Mario to pass. Polterguys first appear in the Spooky House world. In the boss stage, Donkey Kong will hit one of three Color Switches to transform two unselected and unheld Shy Guys into Polterguys; these versions have auras and move in a different attack pattern.

In Mario vs. Donkey Kong 2: March of the Minis, they appear in the Spooky Attic stage. They function like in the last game for the most part, though now they are enemies to the Mini Mario toys, who serve as the game's playable characters. Once again, they can be turned into blocks when a certain button is pressed. This technique can be used to solve puzzles on the stages they appear. In the Construction Zone, Polterguys can be used in the Spooky Attic and Special Kit 3 sets. The latter allows them to interact with the game's new Mini Donkey Kong toys.

In Mario vs. Donkey Kong: Minis March Again!, Polterguys appear upright and have active wind-up keys on their backs like their walking counterparts. They also have a spherical aura of fire similar to Pyro Guys rather than transparent bodies, which also resembles their boss stage appearance from the first game. In addition, they remain in the same spot rather than move in a given pattern, even though they turn to face Mini Marios. They are first encountered in Room 4-5.

In Mario vs. Donkey Kong: Mini-Land Mayhem!, Polterguys appear as enemies that Donkey Kong summons in Area 4-DK.

The name "Polterguy" is based on poltergeist, referring to its somewhat spectral appearance.

Names in other languages[edit]

Language Name Meaning
Japanese ゆーれいヘイホー[5][6]
Yūrei Heihō
Faiā Yūrei Heihō
Yūrei Shy Guy; same as Boo Guy.

Fire Yūrei Shy Guy (4-DK); despite the name, they do not burn upon touch.
Italian Tipo Spettro Phantom Guy


  1. ^ Mario vs. Donkey Kong 2: March of the Minis object graphics filename (data/data/anims/polterguy_anim.bin)
  2. ^ "Polterguy – Mini Mario will burn if he is touched by a Polterguy! Step on a color switch to turn all the Polterguys of that color into blocks. Polterguy cannot be hurt by the hammer." - Mario vs. Donkey Kong: Minis March Again! help (North American version)
  3. ^ "22. Phantom Guys" - Mario vs. Donkey Kong 2: March of the Minis help
  4. ^ "Phantom Guy – Mini Marios will burn if they touch a Phantom Guy! Step on a coloured switch to turn all the Phantom Guys of that colour into blocks. Phantom Guys cannot be hurt by hammers." - Mario vs. Donkey Kong: Minis March Again! help (PAL version)
  5. ^ Mario vs. Donkey Kong Shogakukan book
  6. ^ Mario vs. Donkey Kong 2 Shogakukan book
  7. ^ Scan of 「マリオvs.ドンキ—コングかんぺきガイドブック」 (Mario vs. Donkey Kong Kanpeki Guidebook)