Boo Block

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Boo Block
Red Boo
Artwork of a Boo Block from Super Mario Sunshine
First appearance Super Mario World (1990)
Latest appearance Super Mario 3D All-Stars (2020)
Variant of Boo
Red Boo

A Boo Block[1][2] (originally known as a Boo Buddy Block[3], also known as a Block Boo[2][4]) is a type of Boo capable of transforming into a block called a Ghost Block[3] when threatened.


Super Mario series[edit]

Super Mario World[edit]

A Boo Buddy Block

Boo Buddy Blocks first appear in Super Mario World. When looked at, a Boo Buddy Block seems to be a normal, gray block, but with a unique stone design. When Mario takes his eyes off it, however, it slowly begins to transform into a Boo and follow him. When the Boo Buddy Block is in its block form, it can be jumped off of. Doing this is required to clear a certain Ghost House, Choco-Ghost House, as Mario must lure several Boo Buddy Blocks into the proper positions so that he can jump off them to reach the high ledge where the exit door awaits.

Super Mario Sunshine[edit]

A Pink Boo in block form.

In Super Mario Sunshine, Boo Blocks are known as Pink Boos[5] in English, and bear a resemblance to Red Boos due to their color. Like normal Boos in this game, they do not care in Mario looks at them, instead only turning into a Ghost Block if sprayed with F.L.U.D.D.'s water or a Yoshi's juice. The Ghost Block looks very similar to Yoshi Platforms, though their eyes can still be seen on one side. After a lengthy period of time, they revert to their normal form. When not a block, they meanderingly patrol a small area in a similar manner to the Boos in the game, though in a less wide range. They appear solely in Hotel Delfino, specifically around the central pillar in The Hotel Lobby's Secret and over a large pool-like bathtub under an air vent in Mysterious Hotel Delfino.

Yoshi's Story[edit]

Sprite of a Boo Buddy Block from Yoshi's Story.

Boo Blocks return in Yoshi's Story. They appear solely in Stage 6-3: Ghost Castle. Their Ghost Block form is redesigned with pink and white stripes rather than being a solid gray block. In addition, they take a different appearance from normal Boos when Yoshi is looking away.

Super Mario World: Mario to Yoshi no Bōken Land[edit]

In Super Mario World: Mario to Yoshi no Bōken Land, when the Boos turn into Ghost Blocks, they still show their face, unlike in the original game, where their faces disappear.


Names in other languages[edit]

Language Name Meaning
Japanese ブロックテレサ[6][7]
Burokku Teresa
Block Boo
German Block-Buu
Rosa Buu Huu (Super Mario Sunshine)
Block Boo
Pink Boo (Super Mario Sunshine)
Italian Boocco (SMW)[8]
Blocco Boo (SMS)[9]
Mix between Boo and Blocco (Block)
Boo Block



  1. ^ Leung, Jason, Terry Munson, and Scott Pelland. Yoshi's Story Player's Guide. Page 10.
  2. ^ a b Yoshi's Story official website (Wayback Archive). Retrieved April 22, 2015.
  3. ^ a b Nintendo Mario Mania Player's Guide. Page 51.
  4. ^ "Block Boos: These Boos turn into blocks when you turn to face them. They are too valuable as blocks, so why bother defeating them?" - Prima Bath. Nintendo 64 Game Secrets, 1999 Edition, and Ultimate Nintendo 64 Pocket Power Guide, 1999 Edition Prima's Official Strategy Guide. Page 110 and 79, respectively.
  5. ^ Hodgson, David S J, Bryan Stratton, and Stephen Stratton. Super Mario Sunshine Prima's Official Strategy Guide. Page 20.
  6. ^ 「ヨッシーストーリー 任天堂公式ガイドブック」 (Yoshi's Story Nintendo Kōshiki Guidebook), pages 114 & 116.
  7. ^ Shogakukan. 「スーパーマリオサンシャイン任天堂公式ガイドブック」 (Super Mario Sunshine Nintendo Kōshiki Guidebook). Page 21.
  8. ^ Super Mario Bros. Enciclopedia; pag. 56
  9. ^ Super Mario Bros. Enciclopedia; pag. 100