History of Boos: Difference between revisions

[[File:SMB3Boo.jpg|thumb|left|Artwork of a Boo Diddly from ''Super Mario Bros. 3'']]

Boos first appear in ''[[Super Mario Bros. 3]]'' and return in its [[Super Mario Advance 4: Super Mario Bros. 3|Game Boy Advance version]]. Here, they are referred to as “Boo” Diddlys, a pun on the name of the late rockstar {{wp|Bo Diddley}}. However, future games refer to them only as Boos. They make their first appearance in {{world-link|2|fort|World 2-Fortress}}. The Boo shields its face if [[Mario]] or [[Luigi]] looks at it, but it starts to chase Mario or Luigi, faster than in succeeding games, if they look away. Boos are unable to be defeated unless the two are equipped with a [[Hammer Suit]], [[Green Shell|Koopa shell]], or [[Super Star|Starman]]. The game also has [[Stretch]]es, which are Boos with very long bodies that live in the fortresses throughout the [[Mushroom World]]. In the original, depending on the level's palette, Boos have either a dark-blue or dark-red outline.

In ''[[Super Mario World]]'' and its enhanced port ''[[Super Mario World: Super Mario Advance 2]]'', Boos are now called "Boo" Buddies (though they were still called "Boo" Diddly earlier in development<ref>TCRF. [[tcrf:Prerelease:Super Mario World (SNES)/Background Graphics and Tilemaps#Enemy Cast List|Prerelease:Super Mario World (SNES)/Background Graphics and Tilemaps#Enemy Cast List]]. ''The Cutting Room Floor''. Retrieved August 6, 2020.</ref>) and they reside in the many [[Ghost House]]s in the game. These Boos retain their usual pattern of attack from ''Super Mario Bros. 3'' and sometimes make faces at Mario or Luigi. However, they are somewhat slower and less accurate than in ''Super Mario Bros. 3''. This game also introduces many new Boo variations, such as the [[Block Boo|Boo Buddy Block]], [[Boo Buddy Snake]], [[Boo Crew]], [[Boo Buddies|Circling Boo Buddies]], [[Eerie]]s, and [[Disappearing Boo Buddy|Disappearing Boo Buddies]]. It also introduces a giant version of the Boo, the [[Big Boo]]. One Ghost House contains a secret boss, a special [[Big Boo]]. The only way to defeat a Boo is with [[Super Star]]s or with [[Grab Block]]s when it is visible. Unlike later games, the Boos in this game seem to have multiple tails. The groups of Boos also have different facial expressions, while individual Boos change theirs for a brief second if they are stared at long enough.

Boos (also called '''Baby Boos''')<ref>Prima Bath. ''Nintendo 64 Game Secrets, 1999 Edition'' Prima's Official Strategy Guide. Pages 86 and 87.</ref> make a starring appearance in the course [[Big Boo's Haunt]] in ''[[Super Mario 64]]''. A group of Boos can be found in the [[Peach's Castle|Mushroom Castle]]'s [[courtyard (Peach's Castle)|courtyard]] (eight of which are holding [[Red Coin]]s in the DS version). After collecting twelve [[Power Star]]s, Mario is able to enter Big Boo's Haunt by going into the little carousel<ref>M. Arakawa. ''Super Mario 64'' Player's Guide. Page 48.</ref> that a certain Boo drops; this Boo is somewhat bigger than the others. He also battles the Big Boo three times here. Additionally, when Mario looks at the Boos, they attempt to hide by becoming partially transparent, but if Mario is not looking at them, they chase him. If they hit him, he loses two wedges of [[Health Meter|health]]. In the translucent Boo, the player can see a [[coin|Yellow Coin]] or a [[Blue Coin]].  

 

To defeat the Boos, a punch or kick from behind or the side is needed. They can also be defeated with a [[Ground Pound|Pound the Ground]] attack while Mario is not looking at them. When defeated, they give a Blue Coin, but the ones in the courtyard give a normal coin instead. When a Boo is defeated in the first mission, [[Go on a Ghost Hunt]], it says, "''Ghosts...don't...DIE! Heh, heh, heh! Can you get out of here...alive?''" In addition, a Boo appears in the hallway of the Mushroom Castle after twelve Stars are collected.

In ''[[Super Mario 64 DS]]'', Boos use their current design introduced in ''Mario Party 4''. Additionally, eight Stars are needed to spawn a small Boo in the hallway, who holds a Red Coin. After fifteen Stars are collected, the small Boo is replaced by a Big Boo, which then allows Mario to enter Big Boo's Haunt. If the [[Eye to Eye in the Secret Room|sixth mission]] is selected and the player is not Luigi, one particular Boo wears [[Luigi Cap|Luigi's cap]]. In the haunt, Mario can find a Luigi [[painting]], which takes him to the [[Big Boo Battle]] level on the balcony. After defeating [[King Boo]] within, Mario gains the key to the room in which Luigi is imprisoned and proceeds to free him. In the English version of the game, King Boo is incorrectly referred to as "Big Boo." Yoshi cannot defeat Boos in this game. Ground-pounding yields no results, and eating them simply causes Yoshi to spit them back out. Mario, Luigi, or Wario can hit Boos with Pound the Ground attacks. Additionally, Luigi can also use the [[Spin Jump|spin jump]] from his [[Backward Somersault|backward somersault]] to defeat them.

While Boos do not appear in the original ''[[Super Mario Bros.]]'', Boos appear in ''[[Super Mario Bros. Deluxe]]'' as competitor characters in the "You VS. Boo" mode. The goal is to reach the [[Goal Pole|flagpole]] before the Boo. After defeating Boo within a certain time frame, it flies away, and a green Boo replaces it. After that Boo is defeated, a red Boo takes its place, and finally, a '''Black Boo'''<ref>''Super Mario Bros. Deluxe'' instruction booklet. Page 20.</ref> with a yellow outline appears. Each new Boo gets progressively faster than the one before it, meaning the plain White Boo is the slowest, while the Black Boo is the fastest; the Black Boo copies the player's best time, which makes it the hardest to defeat. Unlike other games, these Boos do not hurt the player on contact.

[[File:SMS Boo Artwork.jpg|thumb|left|A Boo from ''[[Super Mario Sunshine]]'']]

Boos return in ''[[Super Mario Sunshine]]'', terrorizing the residents of [[Hotel Delfino]]. In this game, they move around in slow, swooping motions and do not care if Mario looks at them. They tend to go in Mario's general direction while turning invisible (aside from some distortion), but spraying them with [[F.L.U.D.D.|FLUDD]] causes them to slowly become visible again. These Boos can be defeated by being jumped on, making ''Super Mario Sunshine'' the only game outside of the ''Super Mario'' RPGs where jumping can defeat them. Boos in this game can also be eaten by Yoshi. They also disguise themselves as [[Yellow Coin]]s and [[Blue Coin]]s, which only spin to face Mario instead of spinning at a constant pace. Boos can also disguise themselves as [[Shadow Mario]] while the real Shadow Mario runs from Mario, though they appear lighter than Shadow Mario, lack the [[Magic Paintbrush]], and do not have the theme music. When Mario approaches a disguised Boo, it laughs and bumps into him, though if it is sprayed beforehand it will start behaving like the other Boos. Like the other enemies, Boo's design is changed for this game, with drooping eyelids, blue circles surrounding their black pupils, and long, coiled tails. This is due to the fact that they are made from [[graffiti]].<ref>{{media link|ESMB Bowser Jr Graffiti.png|An excerpt of page 107 of the ''Encyclopedia Super Mario Bros.''}} The title of the box is 「クッパＪｒ．の落書き!」 which means ''The graffiti of Bowser Jr.!'' and the text says 「本作の敵キャラクターたちは、クッパJr.が落書きで生み出したという設定。そのため、水に弱かったり、デザインが他のシリーズと少々異なっていたりする。ヨッシーも、同様の理由で水に落ちると消えてしまう。」 which means ''This game's enemy characters are created by Bowser Jr.'s graffiti. That is why they are weak to water and differ slightly in design from the rest of the series. Yoshi also vanishes if he falls in water for the same reason.''</ref>

The Boos in this game are led by [[King Boo (Super Mario Sunshine)|King Boo]]. Mario finds him in the basement of the hotel's Casino, and he has to battle him. He can defeat him by throwing a [[Chili Pepper]] at him and then throwing another piece of [[fruit]] at him. Mario has to do this three times before King Boo is defeated. [[Block Boo|Pink Boo]]s also appear and can be turned into a platform if sprayed by FLUDD. Also appearing inside the hotel are a new species, known as [[Sleepy Boo]]s. These large Boos mostly appear to block passages. FLUDD's water does not affect them; they can be removed only by being eaten by [[Yoshi]].

[[File:NSMBDS Boo Sprite.gif|frame|left]]

[[File:Mario Seek.png|thumb|200px|Mario looking at a Boo in ''Super Mario Galaxy'']]

An [[Big Boo|Atomic Boo]] makes an appearance in this game, as well as a racing one named the [[Spooky Speedster]]. This game also introduces a new kind of Boo, called the [[Bomb Boo]]; it is similar to a normal Boo, but is black with yellow eyes and can be grabbed by its tongue if Mario uses his spin attack on it.

[[File:NSMBW World 3-GH Screenshot.png|200px|thumb|left|A Boo chasing Mario in ''New Super Mario Bros. Wii'']]

[[File:Boos and Big Boo SMG2.png|thumb|Boos alongside a [[Big Boo|Mega Boo]] in the [[Haunty Halls Galaxy]] in ''Super Mario Galaxy 2'']]

Boos reappear in the game ''[[Super Mario Galaxy 2]]''. They behave the same way they did in its predecessor. They are found in haunted levels such as [[Haunty Halls Galaxy]] and [[Boo Moon Galaxy]]. The underwater Boos from the predecessor also appear in this game, in the [[Battle Belt Galaxy]] and [[Slimy Spring Galaxy]]. [[Bomb Boo]]s and [[Big Boo|Mega Boo]]s also reappear. A variant named [[Octoboo]], which resemble ghostly [[Octoomba]]s, also appears in this game.

[[File:BooNSMBU.png|thumb|left|Artwork from ''New Super Mario Bros. U''|100px]]

Boos, [[Big Boo]]s, and [[Boo Buddies|Circling Boo Buddies]] appear in the [[Wii U]] title ''[[New Super Mario Bros. U]]''. Their behavior is the same as that of past installments. Boos also have their own [[Enemy Course]] in the [[Soda Jungle#Haunted Area|haunted area]] of the [[Soda Jungle]], where a group of Boos appear in an area with various [[Donut Block]]s, and defeating them must be done using the [[Super Star]] located inside a [[Flying ? Block]]. They can also be defeated with a [[Baby Yoshi]].

Boos appear in ''[[Super Mario Run]]'' in Ghost House levels. When Mario looks at them, they cover their eyes and float up and down. They attack Mario by quickly following behind him. Mario can defeat them by backflipping over them. In some levels, pressing the pink [[P Switch]] defeats Boos on-screen. They can drop [[Key]]s, [[Coin]]s, or [[Color coin]]s after they are defeated, and the object they contain inside of them can slightly be seen through them before they are defeated. In [[Dark and Stormy]], Boos are defeated when a lightning strike occurs. Stretches also appear in the game.

 

[[File:CartoonBoo.jpg|thumb|A Boo in the ''The Adventures of Super Mario Bros. 3'' episode "Reign Storm"]]

[[File:SMWTV Yoshi and Boo.jpg|thumb|left|Yoshi encountering a Boo in the ''Super Mario World'' television series episode "The Night Before Cave Christmas"]]

Boos<ref>''Yoshi no Road Hunting'' instruction booklet, page 21.</ref> (misnamed "Big Boo" in the English manual<ref>''Yoshi's Safari'' instruction booklet, page 20.</ref>) appear as enemies in ''[[Yoshi's Safari]]''. Their first and only appearance throughout the game is in [[Ghost Mansion]], a level in the [[Dark Realm]]. Unlike most enemies in the game that can be shot with the [[Super Scope]] to be defeated, shooting a Boo stops it in its tracks. While stunned, [[Yoshi]] can then run into it to defeat it. Defeating a Boo adds 500 points to the player's score (1,000 in Hard Mode), the highest amount of points earned from regular enemies. A [[Big Boo]] serves as the boss for the level.

[[File:Boo Island DS.jpg|thumb|100px|Two Boos from ''Yoshi's Island DS'']]

The first appearance of Boos in the [[Yoshi's Island (series)|''Yoshi's Island'' series]] is ''[[Super Mario World 2: Yoshi's Island]]'' and its [[Yoshi's Island: Super Mario Advance 3|Game Boy Advance version]]. They first appear in [[World 2 (Super Mario World 2: Yoshi's Island)|World 2]], alongside several other ghastly creatures. The only way to defeat Boos is by looking away and then make an egg bounce off a wall after it is thrown, hitting the ghost in the face. [[Kamek]] the [[Magikoopa]] turns one Big Boo into [[Bigger Boo]], which serves as a mini boss and grows in size every time he is hit by an egg. The main boss of World 2 is also a Boo-like creature, [[Roger the Potted Ghost]], who was a normal flower pot until Kamek made him giant and transformed it into a living creature. The game also features the [[Boo Balloon]], who are balloons made to look like Boos that yield items when they pop, as well as [[Blindfold Boo|Boo Man Bluff]], a blindfolded Boo that relies on noise to detect the player.

Boos appear in both of the sequels, ''[[Yoshi's Island DS]]'' and ''[[Yoshi's New Island]]'', where they behave identically as in ''Super Mario World 2: Yoshi's Island'' and can be defeated in the same way as before. In ''Yoshi's Island DS'', there is also a Boo-like midboss in [[Hector the Reflector]]. In ''Yoshi's New Island'', Boos first appear in [[Beware the Boo Brigade]], and they retain their laugh from ''Super Mario 64''.

[[File:Yoshis Story Boo.png|thumb|120px|A Boo in ''Yoshi's Story'']]

[[File:YSBooSprite.png|frame|left]]

The normal Boo<ref>[[Media:Yoshi Story Shogakukan P7.jpg|「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''), page 7.]]</ref> is mistakenly called a Big Boo<ref>Leung, Jason, Terry Munson, and Scott Pelland. ''Yoshi's Story'' Player's Guide. Page 10.</ref> in the ''[[Nintendo Power]]'' guide.

[[File:SMK Boo Item Box Sprite 1.png|frame]]

[[File:SMK Boo Item Box Sprite 2.png|frame]]

Boos made their first appearance in the ''[[Mario Kart (series)|Mario Kart]]'' series in ''[[Super Mario Kart]]'' as items exclusive to "2 Player" mode, under the name "'''Ghosts'''".<ref>''Super Mario Kart'' instruction booklet, page 14.</ref> When the player uses it, they will become transparent temporarily (19 seconds), while the "Ghost" steals the opposing player's item, if available. They also appear as background elements in [[SNES Ghost Valley 1|the three]] [[SNES Ghost Valley 2|Ghost Valley]] [[Ghost Valley 3|courses]], where they laugh when the player drives by.

Boos (named '''Ghost Bonuses''' on one occasion<ref>''Nintendo Magazine System'' (AU) issue 49, {{media link|NMS Australia 49 MK64 drivers and items.jpg|page 39}}.</ref>) return as a usable item in ''[[Mario Kart 64]]''. They can be obtained if the player is in the top two positions. When activated, the Boo selects a racer with the best item in reach, steals the item, and gives it to the player that released it. At the same time, the player obtains total invisibility and invincibility for a short period of time. While invisible, the player can pass the items, the course obstacles, and the other racers more easily by simply going through them. If no other players possess items, the Boo will return empty-handed. Boos also appear in [[N64 Banshee Boardwalk|Banshee Boardwalk]] and the image of one appears in neon lights in [[N64 Rainbow Road|Rainbow Road]], both as background elements.

Boos, also referred to as "ghosts",<ref>Walsh, Doug. BradyGAMES (2001). ''Mario Kart: Super Circuit'' Official Racing Guide. Page 92.</ref> also appear in two new courses, [[GBA Boo Lake|Boo Lake]] and [[Broken Pier]]. At Boo Lake, Boos hold candles that guide the player through the track. On Broken Pier, they attack the players and take their [[Coin]]s.

Boos do not appear as items in ''[[Mario Kart: Double Dash!!]]''. However, Boos, as well as the Boolossus' gold frame portrait, appear in the [[GCN Luigi's Mansion|Luigi's Mansion]] battle course. Also, King Boo makes his ''Mario Kart'' debut as a playable character.

[[File:MKAGPDX Boo.png|thumb|120px|Boo item from ''Mario Kart Arcade GP DX'']]

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[[File:MKDS Boo Sprite.png|thumb|left|Boo item from ''Mario Kart DS'']]

In ''[[Mario Kart DS]]'', Boos reappear as items (with the name of '''Boo Hoo''' in the European instruction manual<ref>[https://cdn02.nintendo-europe.com/media/downloads/games_8/emanuals/nintendo_ds_21/Manual_NintendoDS_MarioKartDS_EN.pdf ''Mario Kart DS'' European English instruction manual, page 12.]</ref>). They can be obtained if the player is anywhere from 3rd to 7th place. This time, they do not slow down the leading racer, and they no longer steal the best item in reach. Instead, they just steal the nearest racer's item. However, while using the Boo item in this game, the player will not be slowed down while driving on off-road surfaces, allowing various shortcuts to be made. Some pictures of Boos from the game, ''[[Luigi's Mansion]]'', appear in the [[DS Luigi's Mansion|Luigi's Mansion]] race course. [[N64 Banshee Boardwalk|Banshee Boardwalk]] reappears as a race, along with the Boos. They do not do anything that affects the racer; they just laugh when a racer drives by.

Much like in ''Mario Kart: Double Dash!!'', Boos do not appear as items in ''[[Mario Kart Wii]]'', but [[King Boo]] appears as a playable character. However, Boos do appear in a returning course, Ghost Valley 2. Like their original appearance in the track, Boos only laugh when racers drive by, but they eventually disappear. Boo also makes a cameo in Bowser's Castle. At the end of the track, Boo's ''Mario Party 7'' artwork can be seen along with Dry Bones' artwork.

In ''[[Mario Kart 7]]'', Boos appear in the returning track, [[DS Luigi's Mansion|Luigi's Mansion]], in place of the portrait ghosts. They will pop out of their paintings when the drivers race by them. They also appear as spectators on [[3DS Toad Circuit|Toad Circuit]] and [[N64 Luigi Raceway|Luigi Raceway]].

In ''[[Mario Kart 8]]'' and ''[[Mario Kart 8 Deluxe]]'', Boos appear as obstacles in [[Twisted Mansion]]. If aimed correctly, the players can land on the Boos floating around near the gliding section. They also possess [[Hammer Knight]]s near the end of the track. These same Boos can also be seen floating around on {{classic-link|GCN|Luigi's Mansion}}, and on {{classic-link|GBA|Boo Lake}}, they replace the candle Boos from the original iteration.

''Mario Kart 8 Deluxe'' reintroduces Boos as items. Boos immediately steal an item from a random racer in front of the user, and invincible or other invisible players are not immune; the Boo will bring back a Mushroom if there is nothing to steal. The Boo is visible, both when it steals an item and when it gives the stolen item to the user. It takes a couple more seconds to deliver the item back to the user, however. Only one Boo can be in play at a time; once it brings back an item, another can appear in [[Item Box]]es again, even while another player is still invisible. Due to the way deployed items work, a Boo is able to steal any timed or multiple usage item, except for a [[Crazy Eight]], [[Piranha Plant]], or [[Bullet Bill]] already in use. Stealing such an item will always give the user a fresh version of the item.<ref>Mankalor (May 8, 2017). [https://youtu.be/OUdaqb7Cj2I Mario Kart 8 Deluxe Tips - Boo Item Analysis]. ''YouTube''. Retrieved May 9, 2017.</ref> Unlike ''Mario Kart DS'', the player cannot cut through off-road sections while invisible.

Boos reappear in ''[[Mario Kart Tour]]'' in the courses SNES Ghost Valley 1, SNES Ghost Valley 2, GBA Boo Lake, DS Luigi's Mansion, and [[RMX Ghost Valley 1]], where they act the same as they did on those courses in previous games. [[Wooden cutout]]s of Boos also appear in the SNES Ghost Valley courses and DS Luigi's Mansion.

In ''[[Super Mario Adventures]]'', a horde of Boos appear to attack Mario and Luigi when they are tricked into a haunted house by Bowser and the Koopalings. Mario and Luigi become trapped by the Boos and a Big Boo, who are held at bay by the bros staring at them in the face. Eventually, nearing exhaustion, Mario races to a nearby room, dragging Luigi while being chased by the Boos. Upon barging into this room, the Boos and Big Boo find Mario [[Dr. Mario|dressed as a psychiatrist]] with Luigi as his nurse. After some talking, Mario and Luigi manage to reform the Boos and the Big Boo, while learning they were bullied in their youth (which is why they act so nasty to everyone). These Boos and their Big Boo leader were last seen happily waving goodbye to Mario, Luigi and Yoshi as they left the haunted house, which the Boos led them out of.

Boos also make an appearance at Peach's wedding.

Boos make an appearance in the ''[[Super Mario All-Stars]]'' remake of ''[[Mario Bros. (game)|Mario Bros.]]'', where they replace the [[Fireball (obstacle)|fireball]]s in the [[Battle Game (Super Mario All-Stars)|Battle Game]] found in the main menu of ''[[Super Mario Bros. 3]]'' (but not in the [[Mario Bros. (game)#Super Mario Bros. 3|2 Player Game's battle mode]]).

[[File:Big Boo Artwork - Mario Clash.png|thumb|left|Artwork of a Big Boo from ''Mario Clash'']]

Boos<ref>''Mario Clash'' Japanese instruction booklet, page 20.</ref> (misnamed "Big Boo" in the English manual<ref name=ClashBoo>''Mario Clash'' English instruction booklet, page 21.</ref>) make appearances in the [[Virtual Boy]] game, ''[[Mario Clash]]'', where they are among the target enemies. In this game, Mario is able to attack a Boo from the side. Boos can become transparent by becoming dark like the screen, which causes them to become invulnerable, with [[Green Shell|shell]]s simply passing through. For some reason, the English manual also refers to the Boos using feminine pronouns, similar to [[Cheep Cheep]] in the original ''[[Super Mario Bros.]]''<ref name=ClashBoo/>

[[File:HM Boo.png|thumb|A Boo from ''Hotel Mario'']]

Boos also appear in the game ''[[Hotel Mario]]'' under the name '''Boo Buddies'''.<ref>''Hotel Mario'' instruction book, page 16.</ref> Some Boos behave similarly as in the ''Super Mario'' series: attacking Mario when his back is turned and hiding behind their arms when looked at. However, while Mario is in an elevator, these Boos wander in diagonal patterns. There are some other Boos that are normally transparent and wander in a similar manner, regardless of where Mario looks, but occasionally become fully visible and quickly charge at him.

Boos return during the events of ''[[Super Mario RPG: Legend of the Seven Stars]]'' and the [[Super Mario RPG (Nintendo Switch)|Nintendo Switch version]]. In the original game, the English translation erroneously calls them "The Big Boo", whereas the remake simply calls them Boos. In the Japanese version, they are in fact referred to as Teresa as they are in other games. These Boos, like other Boos that appear in previous games, hide behind their arms when stared at. However, some Boos teleport around the room, attempting to scare Mario and his friends. Boos live in [[Kero Sewers]] along with many other ghouls, including [[Hobgoblin]]s and [[Shadow]]s. Often, these three undead monsters will assist each other in battle. Boos have no physical defense, making them extremely weak enemies (for reference, a [[Goomba]] is the weakest enemy encountered and it has three defense points). However, Boos make up for their lack of defense with high evasion, meaning that most attacks against Boos will miss. In battle, Boos command powerful lightning magic, including the attacks [[Lightning Orb]] and [[Bolt (move)|Bolt]]. Boos also know the special attack [[Scream]], which cuts a party member's [[fear|attack and defense in half]]. When not using magic, Boos approach one of Mario's party members and make a face, damaging that character. In this game, there is also a stronger Boo variation called [[High Boo]]s, which are the same size as their normal counterparts but have blue tongues, similar to the first appearance of [[King Boo]]. The only true appearance of a Big Boo in this game is the one used in [[Bowser]]'s [[Terrorize]] attack.<ref>''Super Mario RPG: Legend of the Seven Stars'' English instruction booklet, page 41.</ref> One Boo lives in [[Monstro Town]] as part of the [[3 Musty Fears]].

[[File:Boo SuperMarioKun 8.jpg|thumb|Boo as it appears in ''Super Mario-kun'']]

[[File:SMK25.jpg|thumb|left|Lady Bow as seen on the cover of ''Super Mario-kun'' issue 25]]

A Boo also appears in the battle minigame [[Day at the Races]] along with the other racers; [[Whomp]], [[Thwomp]], and [[Bob-omb]]. The Boo can disappear and then reappear in a further spot on the racetrack. However, it gets its face stuck in the ground sometimes, causing it to stop for a short period of time.

''[[Mario Party 5]]'' marks the first game in the ''Mario Party'' series where Boo is a playable character in Party Mode. It is one of the new characters, the others being [[Koopa Kid]] and [[Toad]]. Boo's partner in the game is [[Koopa Kid]]. Since Boo is playable, it does not make any major background appearances. Its previous role on the boards is now fulfilled by [[Chain Chomp]].

[[File:BooMP8Official.png|thumb|left|Boo from ''Mario Party 8'']]

Boo is one of the unlockable characters in ''[[Mario Golf: Toadstool Tour]]'', the others being [[Bowser Jr.]], [[Shadow Mario]], and [[Petey Piranha]]; he is the only one to have not debuted in ''Super Mario Sunshine'' and is the only one that appears in the opening clip. In [[Bowser Badlands]], Boos affect the trajectory of balls hit through them. Boos once again reprise their role of showing the wind direction, but they have another role; if a player delays in starting their swing, then two Boos carry a sign and float across the screen. These signs describe basic gameplay tips, but some are taunts to the player.

[[File:BooHoleInOne.jpg|thumb|Boo getting a [[Hole-in-One]] in ''Mario Golf: World Tour'']]

===''Mario Tennis'' (Nintendo 64)===

[[File:Mt64boo.png|thumb|120px|left|Boo from ''Mario Tennis'' (Nintendo 64)]]

Boo appears as a default character in ''[[Mario Tennis (Nintendo 64)|Mario Tennis]]'' for the [[Nintendo 64]], marking his first playable role. He is classified as a tricky character, the only other character of this class being [[Koopa Paratroopa|Paratroopa]].

===''Mario Tennis'' (Game Boy Color)===

[[File:Boo blast.png|thumb|A Boo in the minigame [[Boo Blast (minigame)|Boo Blast]] from ''Mario Tennis'' (Game Boy Color)]]

A Boo appears in the [[Boo Blast (minigame)|Boo Blast]] minigame in ''[[Mario Tennis (Game Boy Color)|Mario Tennis]]'' for the [[Game Boy Color]]. They can also be seen in the audience at [[Peach's Castle]].

Boo also appears in ''[[Mario Power Tennis]]'' where he is a playable character. This marks the first game where Boos are given a new voice. When he wins a championship, Mario and Luigi would come out with the trophy and Boo would be missing. They look around and the trophy would start to float. Boo then appears under it to Luigi's relief as Mario laughs in amusement. The Mario Bros. themselves are then surrounded and levitated by multiple other Boos as the main Boo flies up to the screen and holds the trophy. Boo's taunt is to wave his racket while laughing. Boo's offensive power shot is the [[Boo Blast (move)|Boo Blast]] and defensive power shot is the [[Boo Brigade Return]].

Boo returns as a playable character in ''[[Mario Tennis Aces]]''. Like in previous ''Mario Tennis'' games, Boo is classified as a Tricky character. His [[Trick Shot]]s are Roundabout and Through It All, while his [[Special Shot]] is Illusion. Boo also has unlockable alternate costumes, coming in the form of visors, that can be unlocked by playing the "Boo Hunt" co-op challenge. In this challenge, the player must hit Boos at the other side of the court to get coins. The visors came in Blue, Green, and Purple and require 2,500 coins, 10,000 coins and 20,000 coins respectively.

{{quote2|I want to hear people shriek and watch them run away yelling! That's what makes Boos happy.|Boo|''[[Paper Mario]]}}

Boos appear in ''[[Paper Mario]]'' as friendly but tricky characters. White Boos live in [[Boo's Mansion]], and brown Boos live at [[Gusty Gulch]]. Their leader is [[Lady Bow]], who lives in Boo's Mansion along with [[Bootler]].

At first, Boos were being eaten by [[Tubba Blubba]]. Some Boos tried attacking the monster to save their friends, but they failed because of Tubba Blubba's "Invincibility". Seeking help from [[Mario]], they captured [[Skolar]], the Star Spirit Mario was trying to save in order to have Mario help them.

In the game, when [[Mario]] arrives at [[Boo's Mansion]], [[Bootler]] tells him to get to the third floor. Boos have prepared some puzzles for him under the order of [[Lady Bow]] to test him. One puzzle is for Boos to form a rotary circle, throw an item several times and ask Mario to guess who is holding the item. The first time he opens a door a big Boo appears on the screen. In the eastern room of the second floor Boos holding a [[Record (Paper Mario)|Record]] play this trick. In the western room of the second floor, a Boo is guarding a chest box with a [[Weight]] in it. Mario plays the Record to lure the Boo away and uses the Weight on the droplight of the mansion to open the western door on the first floor. Boos in the basement hide in a big chest box in the basement. When Mario opens the chest box, they play the puzzle with [[Super Boots]]. After Mario gets them, he is able to get [[Boo's Portrait]] with which he is able to get to the third floor. There, Lady Bow asks Mario to help the Boos to defeat Tubba Blubba as a condition to free Skolar, and joins Mario's party to assist him.  

In addition, a Boo appears after Mario got the [[Super Boots]] and tells him how to get the [[Star Piece (Paper Mario series)|Star Pieces]] underground. And some Boos are flying in the sky who can be seen out of the windows. When Mario is about to set off, two white Boos appear to open the gate to Gusty Gulch under the command of Bow.

In the basement of [[Tubba Blubba's Castle]], a brown Boo tells [[Mario]] not to fight [[Tubba Blubba]] until he finds his weak point. According to his word, he sneaked into the castle to look for the weak point. After [[Mario]] gets [[Yakkey]], 3x2 peasant Boos appear in front of [[Tubba Blubba's Castle]] and, seeing Mario and [[Lady Bow|Bow]] get out and [[Tubba Blubba]] chasing, help the co by blocking the door.

Boos can also appear as members of the [[Audience]], where they can throw items onto the stage and randomly turn a character in the battle invisible for one turn.

[[File:Mansion patrol.png|thumb|left|Boos in the minigame [[Mansion Patrol]] in the Flipside Arcade from ''Super Paper Mario'']]

[[File:SPM Boo Catch Card.png|thumb|Boo's [[Catch Card]]]]

[[File:Boo PMSS.png|frame]]

[[File:LMBoo.jpg|thumb|A Boo in ''Luigi's Mansion'']]

[[File:Luigi%27sMansionBoo3DS.png|thumb|Luigi following a Boo in the Nintendo 3DS remake.]]

{{main-external|SmashWiki|Boo}}

[[File:MLSS Miner Boo.gif|frame|left|]]

|A [[digital Boo]].

During the fight with [[Bowser Memory ML]], Bowser Memory L has an attack that involves [[digital Boo]] chasing him around. The digital Boo can be jumped on by either Mario or Luigi to stop the attack prematurely.

==''Mario vs. Donkey Kong''==

[[File:MvsDK Boo.png|frame|left]]

A Boo appears in ''[[Mario vs. Donkey Kong]]'', acting similar to their other appearances in platforming games. They only appear in both segments of [[Level 4-4 (Mario vs. Donkey Kong)|Level 4-4]] and in [[Level 4-4+]]. They cannot be defeated, and if they manage to defeat [[Mario]] or the [[Mini Mario (toy)|Mini-Mario]], the Boo will grow and stick its tongue out.

|image1=Boo-Batting-MSS.png

|width1=200

|caption1=Boo prepares to bat in ''Mario Super Sluggers''

|caption2=[[Mini Boo]] being used in ''Mario Super Sluggers''

[[File:MarioAndIncredibleRescue.jpg|thumb|120px|Two Boos on the cover of ''Mario and the Incredible Rescue'']]

Boo is an unlockable character of the Tricky type in ''[[Mario Hoops 3-on-3]]''. It is unlocked by beating the [[Flower Tourney]] on hard. Boo's special ability is the [[Thriller Dunk]].

[[File:Boo_CTTT.png|150px|thumb|left|A Boo in ''[[Captain Toad: Treasure Tracker]]'']]

{{main-external|ZeldaWiki|Boo|Zelda Wiki}}

[[Category:Histories|Boo]]