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(Redirected from Boo (disambiguation))
SSBM Icon.png SSBB Icon.png SSB4 Icon.png SSBU Icon.png
LM 3DS Art - Boo.png
Official artwork of a Boo from Luigi's Mansion (3DS).
Universe Mario
Debut Super Mario Bros. 3 (1988, NES)
Smash Bros. appearances Melee
Most recent non-Smash appearance New Super Mario Bros U. Deluxe (2019, Nintendo Switch)
Console of origin Nintendo Entertainment System
Species Ghost
Place of origin Mushroom Kingdom
Created by Shigeru Miyamoto
Designed by Same as above
Article on Super Mario Wiki Boo

Boo (テレサ, Teresa) is a species of ghost enemy from the Mario series.


A shy Boo in Super Mario Bros. 3.

Boos debuted in Super Mario Bros. 3, and have been common enemies in the Mario games ever since. They often appear in Ghost Houses and other haunted places. They float in the air pursuing Mario and damage him on touch, but they stop when they're looked at, being too shy to move. In Luigi's Mansion, Boos serve a major role as enemies in the mansion, hence their stage cameo beginning in Brawl. In some Mario Kart games, Boos act as items that make the player invisible; this is likely the basis for their function as a Smash Tour item.

In Super Smash Bros. Melee[edit]

Boo appears as a trophy in Super Smash Bros. Melee.

Trophy description[edit]

Boo trophy in Melee.
These shy spirits inhabit Mario's world and have been known to vanish or freeze when met face-to-face. In recent years, they seem to have overcome their fears in order to pursue tennis and other social activities. They usually appear in groups and fly in formation. From time to time, giant Boos make surprise appearances.
Super Mario Bros. 3 (2/90)

In Super Smash Bros. Brawl[edit]

Boo appears as a trophy in Super Smash Bros. Brawl, and also as a sticker. Boos also feature as background characters on the Luigi's Mansion stage, appearing briefly when part of the mansion is destroyed.

Trophy description[edit]

Boo trophy in Brawl.
A bashful ghost who draws near when your back is turned but shyly stops and disappears when you face it. Boos have been seen recently in activities like baseball and tennis, so it's thought that they may have conquered their fear of humans. Boos are also characterized by having a variety of different weaknesses between forms.
NES: Super Mario Bros. 3
Nintendo DS: Yoshi's Island DS

As a sticker[edit]

The Boo sticker (with a tennis racket) is obtained as a prize for hitting Sandbag 900m/300ft in the Home-Run Contest.

Name Game Effect Characters
Boo Mario Tennis AttackThrowing+014TypeIcon(Throwing).png Attack +14 All charactersRandomHeadSSBB.png
Brawl Sticker Boo (Mario Tennis).png
(Mario Tennis)

In Super Smash Bros. 4[edit]

Boo as a Smash Tour item.

Boos reappear as a trophy in both versions and in the Luigi's Mansion stage in Super Smash Bros. for Wii U. It is also a Smash Tour item: when selected in a battle, it allows the user to start a battle invisible.

Trophy description[edit]

North America Don't look so surprised—even some ghosts are shy! It's like a game of Red Light Green Light: your face means stop, and the back of your head means go. So be very careful if you turn your back. Boo also shows up in the Mario Kart series, making your kart invisible to other racers.
Europe Even ghosts can be shy, and these guys are so shy, they can't even attack you if you're watching! I's kind of like they're always playing a ghostly game of statues. just don't turn your back on them and you'll be alright! That said, they make fine allies in the Mario Kart series, where they can turn you invisible for a while.
NES: Super Mario Bros. 3 (02/1990)
3DS: Luigi's Mansion: Dark Moon (03/2013)

In Super Smash Bros. Ultimate[edit]

Boo appears as an amiibo-obtainable Spirit and as background characters in the Luigi's Mansion stage again.


No. Image Name Type Class Ability Series
Boo Spirit.png
Can Be Enhanced at Lv. 99 Super Mario Series


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