Block Boo

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Not to be confused with Ghost Block.
Block Boo
Block Boo
Artwork of a Block Boo from Super Mario Sunshine
First appearance Super Mario World (1990)
Latest appearance Super Mario 3D All-Stars (2020)
Variant of Boo

A Block Boo,[1][2][3] also known as a Boo Block[1][4] (originally known as a Boo Buddy Block),[5] is a type of Boo capable of transforming into a block called a Ghost Block[5] 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 or Luigi 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. Doing this is required to clear a certain Ghost House, the Choco-Ghost House, as Mario or Luigi 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 Ghost Block
A Block Boo in block form

In Super Mario Sunshine, Block Boos are known as Pink Boos[6] by Prima Games, and they bear a resemblance to Red Boos due to their color. Like normal Boos in this game, they do not care if Mario looks at them, instead turning into Ghost Blocks only if sprayed with FLUDD's water or a Yoshi's juice. Ghost Blocks look 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 Ghost Block from Yoshi's Story

Boo Blocks return in Yoshi's Story. They appear solely in the 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 a Yoshi is looking away.

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

It has been requested that this section be rewritten and expanded to include more information. Reason: At which point of the OVA do they appear? Also specify its role.

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

Profiles and statistics[edit]

Yoshi's Story[edit]

  • Nintendo 64 Spieleberater: Den lass' ich immer warten, bis er steinhart wird, und dann hüpf' ich drauf... voll praktisch! [7] (I always let it wait until it becomes hard as a rock, and then I jump on it... fully practical!)


Names in other languages[edit]

Language Name Meaning
Japanese ブロックテレサ[8][9][10]
Burokku Teresa
Block Boo

German Block-Buu[7]
Rosa Buu Huu (Super Mario Sunshine)
Block Boo
Pink Boo
Italian Boocco[11] (Super Mario World)
Blocco Boo[12] (Super Mario Sunshine)
Portmanteau of "Boo" and "blocco" (block)
Boo Block



  1. ^ a b Yoshi's Story official website (Wayback Archive). Retrieved April 22, 2015.
  2. ^ "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.
  3. ^ English Super Mario Sunshine entry on the official Mario Portal. Retrieved August 13, 2022. (Archived August 12, 2022 23:33:20 UTC via
  4. ^ Leung, Jason, Terry Munson, and Scott Pelland. Yoshi's Story Player's Guide. Page 10.
  5. ^ a b M. Arakawa. Nintendo Mario Mania Player's Guide. Page 51.
  6. ^ Hodgson, David S J, Bryan Stratton, and Stephen Stratton. Super Mario Sunshine Prima's Official Strategy Guide. Page 20.
  7. ^ a b Nintendo 64 Yoshi's Story Spieleberater, page 19Media:Yoshi's Story German Guide Enemies.png.
  8. ^ Shogakukan. 2015. Super Mario Bros. Hyakka: Nintendo Kōshiki Guidebook, Super Mario World section, page 56.
  9. ^ 「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.
  10. ^ 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.
  11. ^ Super Mario Bros. Enciclopedia; pag. 56
  12. ^ Super Mario Bros. Enciclopedia; pag. 100