Sleepy Boo

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Sleepy Boo
Model of the Sleepy Boo enemy in Super Mario Sunshine.
Model from Super Mario Sunshine
First appearance Super Mario Sunshine (2002)
Latest appearance Super Mario 3D All-Stars (2020)
Variant of Big Boo
Notable members

Sleepy Boos,[1] also known as Giant Boos[2] or Big Boos,[3][4] are Big Boos that appear in Super Mario Sunshine, exclusively during Episode 3 of Sirena Beach. Sleepy Boos are stationed in various passages of Hotel Delfino, mostly in the attic, but one is also located on the second floor of the hotel, blocking the sole passage between two rooms. Though Sleepy Boos do not wake up in response to anything, they will do one point of damage to Mario if he makes contact. The only way to defeat a Sleepy Boo and therefore for Mario to bypass it is for a Yoshi to eat it. If Mario touches a Sleepy Boo while on a Yoshi, he will be flung off the Yoshi, but it is very hard for Mario to mount the Yoshi again since he will be too close to the Sleepy Boo.


Names in other languages[edit]

Language Name Meaning
Japanese デブテレサ[5]
Debu Teresa
Fat Boo

French Gros Boo[6]
Fat Boo
German Schlafender Buu Huu
Sleeping Boo
Italian Boo Assonnato[7]
Boo dormiglione[8]
Sleepy Boo
Sleepyhead Boo


  1. ^ Hodgson, David S J, Bryan Stratton, and Stephen Stratton (September 3, 2002). Super Mario Sunshine Prima's Official Strategy Guide. Prima Games (American English). ISBN 0-7615-3961-1. Page 20.
  2. ^ Loe, Casey (August 12, 2002). Super Mario Sunshine Perfect Guide. Versus Books (American English). ISBN 1-931886-09-1. Page 76.
  3. ^ Loe, Casey (August 12, 2002). Super Mario Sunshine Perfect Guide. Versus Books (American English). ISBN 1-931886-09-1. Page 81.
  4. ^ English Super Mario Sunshine entry on the official Mario Portal. (English). Retrieved August 13, 2022. (Archived August 12, 2022, 23:33:20 UTC via
  5. ^ October 19, 2015. 「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). Shogakukan (Japanese). ISBN 978-4-09-106569-8. Page 20.
  6. ^ July 4, 2018. Super Mario Encyclopedia. Soleil Productions (French). ISBN 2302070046. Page 99.
  7. ^ Super Mario Sunshine Italian Prima Guide. Page 20.
  8. ^ November 15, 2018. Super Mario Bros. Enciclopedia. Magazzini Salani (Italian). ISBN 889367436X. Page 99.