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Jafar says: Read my lips and come to grips with the reality!

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Villain Overview

Ghosts...don't...die! Heh heh heh! Can you get out of here...ALIVE?
~ The Boos in Super Mario 64.

The Boos are an antagonistic group of nasty ghost-like creatures that are seen a lot in the Super Mario Bros. series and they are also the secondary antagonists of the Luigi's Mansion series.

Their main method of attack is to attack Mario only while his back is turned. If Mario looks at them they freeze and turn invisible and do not move at all until he turns his back to them again.

The most powerful and most clever Boo among them is their vile ruler, King Boo. The second most powerful of Boos are the Big Boos.

They are voiced by Sanae Suzaki.

Variants

  • Atomic Boo
  • Balloon Boo
  • Big Boo
  • Big Frame Boo
  • Big & Little Boo
  • Black Boo
  • Blindfold Boo
  • Bomb Boo
  • Boo Balloon
  • Boo Block
  • Boo Buddy Snake
  • Boo Buddy Swarm
  • Boo Guy
  • Boohemoth
  • Boo Man Bluff
  • Boo Stack
  • Broozer
  • Calm Fishing Boo
  • Circling Boo Buddies
  • Dark Boo
  • Dark Dark Boo
  • Disappearing Boo Buddy
  • Eerie
  • Fishin' Boo
  • Frame Boo
  • Ghoul Guy
  • Gold Boo
  • Green Boo
  • Li'l Boo
  • Mad Big Boo
  • Mad Boo
  • Mini Boos
  • Octoboo
  • Peepa
  • Red Boo
  • Shiny Boo
  • Sleepy Boo
  • Snufit
  • Stretch
  • Tail Boo
  • Terekuribō

Audio Samples

Trivia

  • Boo's Mario Strikers Charged Football outfits resemble the Spooky Speedster's outfit.
  • The manual for Mario Kart DS refers to the item Boo as "Boo Hoo".
  • Creator Shigeru Miyamoto got the idea for Boo from the wife of his coworker and close friend Takashi Tezuka, as she is shy but one day got very angry at him for coming home late from work.
  • In both Super Mario 64 and Luigi's Mansion, Boo's old laugh is just a sped up version of Bowser's laugh from Super Mario 64 with echoes added. It was also reused in Mario Tennis 64 as well as the Nintendo DS remake of Super Mario 64 and in the first seven Mario Party games.
  • Strangely, in Mario Golf: Toadstool Tour, Boo hits right-handed, but in the Mario Baseball series, it hits left-handed.
  • In the Animal Crossing games, a character named Wisp appears, who bears a resemblance to Boo. The main difference is the facial appearance and headgear.
  • In Super Mario Sunshine, the Boos are the only Boos that can be defeated by jumping on them outside of the Mario RPG titles.
  • Mumbies, enemies from the Kirby series, attack in an identical way to Boos.
  • The Boos' very own name is also shared by a group of fellow ghostly enemies called Boom Boos (also called "Booms") ruled by their leader King Boom Boo from Sonic Adventure 2.
  • According to Professor E. Gadd in Luigi's Mansion, Boos grow in power when they are together.
  • Boo appears in Super Smash Bros. Ultimate as a Primary Spirit. Its battle is against Kirby who can temporarily go invisible. Boo can them be enhanced to King Boo, who slows the falls of jumping fighters.

Navigation

           TheMario.png Villains

Koopa Troop
Bowser | Baby Bowser | Count Koopula | Bowser Jr. | Captain Goomba | Chain Chomps | Chargin' Chucks | Koopalings: (Larry Koopa | Morton Koopa Jr. | Wendy O. Koopa | Iggy Koopa | Roy Koopa | Lemmy Koopa | Ludwig Von Koopa) | Kamek | Toadies | Kammy Koopa | Paper Bowser | Paper Bowser Jr. | King Boo | King Bob-omb | Petey Piranha | Gobblegut | Torkdrift | Elite Trio | Goombas | Bloopers | Boom Boom | Pom Pom | Boos | Piranha Plants | Burt the Bashful | Salvo the Slime | Roger the Potted Ghost | Red & Blue Goomba | Goomba King | Koopa Bros | Tutankoopa | Tubba Blubba | Shy Guys | General Guy | Lava Piranha | Huff N. Puff | Crystal King | Koopa Kids | Army Hammer Bro

8 Bit Club
Wart | Mouser | Tryclyde | Birdo | Shy Guys

Secret Society of X-Nauts
Sir Grodus | Lord Crump | Shadow Sirens | Doopliss | Shadow Queen

Shroobs
Elder Princess Shroob | Princess Shroob | Sunnycide

Count Bleck's Minions
Count Bleck | Nastasia | O'Chunks | Mimi | Dimentio | Mr. L

Folded Soldiers
King Olly | Handaconda | Paper Macho Soldiers
Legion of Stationery: Colored Pencils | Rubber Band | Hole Punch | Tape | Scissors | Stapler

Smithy Gang
Smithy | Exor | Mack | Bowyer | Yaridovich | Axem Rangers | Blade | Count Down | Domino |

Kremlings
King K. Rool | Kremling Krew | Kritters | Klump | Krusha | Krunch | Klubba

Other
Antasma | Army Dillo | Belome | Best Fitness Friends | Big Guy the Stilted | Black Jewel | Bonechill | Booster | Bouldergeist | Brobot | Broodals: (Topper | Harriet | Spewart | Rango) | Bugaboom | Cackletta | Chuckolator | Cookatiel | Cortez | Count Bleck's Father | Count Cannoli | Croco | Culex | Dark Star | Dino Piranha | Dodo | Donkey Kong | Donkey Kong (Mario VS Donkey Kong) | Draggadon | Fawful | Foreman Spike | Francis | Giga Lakitu | Glamdozer | Gloomtail | Gooper Blooper | Grouchy Possessor | Grubba | Harsh Possessor | Hisstocrat | Hooktail | Jojora | Jr. Troopa | Kaptain Skurvy | Kent C. Koopa | King Croacus | King Kaliente | Lamp Scam Snifit | Lena | Madame Broode | Major Burrows | Mario | Mechawiggler | MegaBug | Midbus | Mizzter Blizzard | Mollusque-Lancuer | Nabbit | Necky | Overset Possessor | Peewee Piranha | Peps | Phantamanta | Popple | Portrait Ghosts: (Neville | Chauncey | Bogmire | Biff Atlas | Boolossus | Sir Weston | Vincent Van Gore) | President Koopa | Prince Pikante | Rabbids: (Phantom of the Bwahpera | Rabbid Kong) | Rawk Hawk | Ricky | Rollodillo | Rudy the Clown | Ruined Dragon | Sabasa | Shadoo | Shake King | Shrewd Possessor | Skellobits | Smorg | Squizzard | Tatanga | Three Little Pigheads | Tolstar | Topmaniac | Tough Possessor | Tower Power Pokey | Valentina | Viruses | Waluigi | Wario | Watinga | Whomp King | Wigglers | Wingo | Wracktail | Wizpig | Yellow Belly/Helio

Comics
Bowser

Cartoon
Big Bad Wolf | "Crime Wave" Clyde | King Koopa | Robot Princess | Wizardheimer

See Also
Donkey Kong Villains | Luigi's Mansion Villains | Wario Villains

           Luigi's Mansion Logo.png Villains

Luigi's Mansion
Boos | Ghosts
Portrait Ghosts
Biff Atlas | Bogmire | Boolossus | Chauncey | Clockwork Soldiers | Floating Whirlindas | Henry and Orville | Jarvis | King Boo | Lydia | Melody Pianissima | Miss Petunia | Mr. Luggs | Nana | Neville | Shivers | Sir Weston | Slim Bankshot | Spooky | Sue Pea | Uncle Grimmly | Vincent Van Gore

Luigi's Mansion: Dark Moon
Big Boo | Poltergeist | The Three Sisters
Possessors
Grouchy Possessor | Harsh Possessor | Overset Possessor | Shrewd Possessor | Tough Possessor
ScareScraper
Beetle Whisperer | Bomb Brother | Creeper Launcher | Primordial Goo | Terrible Teleporter | The Brain

Luigi's Mansion 3
Amadeus Wolfgeist | Captain Fishook | Chambrea | Chef Soulfflé | Clem | DJ Phantasmagloria | Dr. Potter | Hellen Gravely | Johnny Deepend | Ghostzilla | King MacFrights | Kruller | Nikki, Lindsey & Ginny | Polterkitty | Serpci | Steward | Ug

            Bro.png Villains

Subspace Army
Ancient Minister | Bowser | Bullet Bills | Duon | False Bowser | False Diddy Kong | False Peach | False Samus | False Zelda | Galleom | Ganondorf | Goombas | Hammer Bros. | King Statue | Koopa Troopas | Master Hand | Petey Piranha | Primids | Rayquaza | Ridley | Porky Minch | Shadow Bugs | Tabuu | Wario

World of Light
Crazy Hand | Dharkon | Dracula | Galeem | Galleom | Ganon | Giga Bowser | Master Hand | Marx | Rathalos

Playable Characters
Bowser | Bowser Jr. | Dark Pit | Dark Samus | Donkey Kong | Enderman | Ganondorf | Incineroar | King Dedede | King K. Rool | Koopalings (Larry, Roy, Wendy, Iggy, Morton, Lemmy, Ludwig) | Mario | Meta Knight | Mewtwo | Piranha Plant | Ridley | Wario | Wolf O'Donnell | Zombie

Bosses
Crazy Hand | Dark Emperor | Dharkon | Dracula | Duon | Galeem | Galleom | Ganon | Giga Bowser | Marx | Master Hand | Master Core | Metal Face | Petey Piranha | Porky Minch | Rathalos | Rayquaza | Ridley | Tabuu | Yellow Devil

Assists Trophies/Poké Ball Pokémon
Andross | Arceus | Black Knight | Burrowing Snagret | Chain Chomps | Chef Kawasaki | Darkrai | Deoxys | Devil | Dr. Wily | Entei | Elec Man | Ghirahim | Giratina | Ghosts | Gray Fox | Hammer Bros. | Klaptrap | Knuckle Joes | Kyurem | Lakitu | Metroid | Meowth | Mimikyu | Lord Nightmare | Mother Brain | Palkia | Phosphora | Shadow the Hedgehog | Skull Kid | Spinies | Starman | Unown | Waluigi

Trophies/Spirits/Stickers
Acro | Affinity | Agahnim | Air Man | Akuma | Alraune | Albert Wesker | Andrew Oikonny | Antasma | Aparoids | Aparoid Queen | Arlon | Ashnard | Baba | Baby Bowser | Babylon Rogues (Jet the Hawk, Wave the Swallow, Storm the Albatross) | Balrog | Banzai Bills | Bass | Big Boss | Bio Rex | Birdo | Black Shadow | Blood Falcon | Bokoblins | Blippers | Bloopers | Bombers | Bomb Man | Bonkers | Boos | Boom Boom | Boom Stompers | Box Boxer | Boxy | Broom Hatters | Bugzzy | Bumpety Bombs | Bulborbs | Burt the Bashful | Byrne | Cackletta | Calamity Ganon | Camus | Cappys | Captain Syrup | Carmilla | Chandelure | Chaos | Chaos Kin | Chargin' Chucks | Claus | Clubberskulls | Colonel Pluck | Cragalanche | Crash Man | Creepers | Count Bleck | Count Cannoli | Cranky Kong/Donkey Kong (Arcade) | Cut Man | Daphnes | Dark Man 4 | Dark Matter | Dark Mind | Darknuts | Daroach | Deadly Six (Zavok, Master Zik, Zeena, Zomom, Zazz, Zor) | Death | Deathborn | Demise | Demon King Arzodius | Diggernaut | Dimentio | Dive Man | DJ Octavio | Don Bongo | Donkey Kong Jr. | Dragaux | Dr. Ivo "Eggman" Robotnik | Drill Man | Dry Bones | E-123 Omega | Edelgard | Eggplant Wizard | EggRobo | Emerl | Ender Dragon | Erazor Djinn | Father Balder | Fawful | Fiery Blowhog | Fire Man | Flages | Flash Man | Fortitudo | Fynalle | Gaius | Gangrel | Galacta Knight | Galactic Fiend Kraken | Galaxy Man | Guardians | Garon | Gengar | General Guy | Geese Howard | Gharnef | Ghasts | Ghosts | Gleeok | Goda | Gold Bone | Golems (Kirby) | Golems (Dragon Quest) | Gomorrah | Gooper Blooper | Gordos | Goro Akechi | Gravity Man | Great Reaper | Grief | Gruntilda | Guts Man | Hades | Hard Man | Hawke | Helmaroc King | Hewdraw | Hooktail | Hoopa Unbound | Hot Heads | Ice Man | Igor | Infinite | Ing | Inspired | Iori Yagami | Iridescent Glint Beetle | Iron Face | Jade Face | Jeanne | Julius | Juri Han | Kalypso | Kamek | Kammy Koopa | Kanden | Karate Kong | Kass | King Bob-omb | King Boo | King Dice | King Dodongo | King Hippo | King Knight | King Olly | Kip | Kludge | Knight Man | Kracko | Kraid | Kritters | Kyle Merkulov | Leon Powalski | Lethiniums | Liquid Snake | Loptr | Lord Fredrik | Lurchthorns | Lyon | MB | M. Bison | Magolor | Mahvas | Majora | Malladus | Master Belch | Mecha Ridley | Medeus | Medusa | Megontas | Meta-Knights (Axe Knight, Javelin Knight, Mace Knight, Trident Knight, Blade Knight) | Metal Man | Metal Sonic | Metroid Prime | Mimicuties | Moblins | Mockiwis | Moley | Monoeyes | Mouser | Mr. Frosty | Mr. L | Mr. Sandman | Mr. Shine and Mr. Bright | Mugly | Nabbit | Napalm Man | Natah | Necrozma | Nihilego | Nightmare | Ninja Kong | Noxus | Nruffs | Nutskis | O'Chunks | Octoman | Octoroks | Ornes | Pandora | Panther Caroso | Paper Bowser | Parasite Queen | Paz Ortega Andrade | Peckish Aristocrabs | Phantom Ganon | Pico | Piglins | Pigma Dengar | Pigmasks | Plague Knight | Plasma Wisps | Plasm Wraith | Pom Pom | Pompy | Poppy Bros Jrs. | Princess Shroob | Quaggled Mireclops | Queen Metroid | Queen Sectonia | Quick Man | Rabbid Kong | Rabbids | Raphael the Raven | Reapers | Redd | Rhea | Revolver Ocelot | Risky Boots | Rockys | Rodin, the Infinite One | Roger the Potted Ghost | Rouge the Bat | Ryuichi and Ryuji | Sagat | Scarfies | Scurvy Crew | Shadow Beasts | Shadow Man | Shadow Queen | Shaft | Shake King | Sheegoth | Shield Knight | Shotzos | Shroobs | Shy Guys | Sidesteppers | Sigma | Sir Kibbles | Skeletons | Skull Man | Skuttlers | Slash Man | Slimes (Dragon Quest) | Slimes (Minecraft) | Smoky Prog | Snake Man | Snowmads | Solidus Snake | Space Pirates (Kid Icarus) | Space Pirates (Metroid) | Spark Man | Specknoses | Specter Knight | Spire | Squeakers | Starmans | Stu | Sword Man | Swooping Snitchbug | Sylux | Tacs | Tatanga | Thanatos | Tharja | The Devil | The Skull | Therion | The Three Mage-Sisters (Francisca, Flamberge, Zan Partizanne) | Tiki Tak Tribe (Kalimba | Gong-Oh | Maraca Gang | Wacky Pipes | Cordian | Banjo Bottom | Xylobone) | Tiki Tong | Top Man | Trace | Turret Tusk | Twinbellows | Twinrova | Ultimate Chimera | Vaati | Validar | Vega | Viridi | Viruses | Vivian | Vorash | Waddle Dees | Waddle Doos | Walhart | Walkys | Wart | Weavel | Wheelies | Whispy Woods | Whomps | Wigglers | Wind Man | Wollywog | Wood Man | Xord | X-Parasites | Yaldabaoth | Yuga | Yveltal | Zangief | Zant | Zero | Zingers | Zoda | Zurees

Others
Billy Kane | Dr. Coyle | Heihachi Mishima | Ryuji Yamazaki | Solon | Spiders | Springtron | Team Rocket Grunts | Travis Touchdown | Yiga Foot Soldiers

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