|Boo did not originate from fanon. This article can be edited freely by everyone in the community.
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| King Boo|
Dark King Boo
Pied Piper (1/3)
| King Boo|
Boos, originally Boo Diddlies, are a species of ghost that mostly Bowser control. They chase after the characters in the Super Mario series when their backs are turned. They are ruled by King Boo. Boos are usually white, by are sometimes pink which are ruled by McBoo.
Boos also appear as items in the Mario Kart series. In those games, Boo makes the player invisible and steals an item for them from nearby opponents. In Mario Kart Arcade GP, however, Boo will lock itself onto an opponent, not only slowing them down but making steering more difficult too.
Boo appears as an unlockable character in Mario's Superstar Golf. Players must beat the Championship Mode on Easy difficulty with any character to unlock him.
Multiple Mini Boos appear as an Assist Trophy in Super Smash Bros. Blue Heat. Once summoned, they fly around the nearest competitors and deal damage. The player must repeatedly press the A button for them to go away. And the boos always have a tricky plan.
In Mario Guitar World, It has been confirmed that Boo will be the 4th Boss in Story Mode on Pro. If he his beaten, Boo will be unlocked as well as other features.
An unlockable character unlocked by beating story on easy. His minigame is Super Sneaky Swipe.
Boo appears as one of ten subs. He has all balanced stats and has no special skills at all. He is only used when a player on the Luigi Sidekicks team is injured.
Boo appears as a light character in Koopa Kart.
Boo appears as the main character in Super Boo 3D Land.
Boo appears as a captain in Bowser Super Sluggers, He has good pitch and speed.
Boo appears in Mario Super Party as an Ally.
The boos and the Big Boo appear in the Haunted Harbor.
Some Boos appear in Super Smash Bros. Endgame as enemies in Smash Rush and Story Mode. King Boo is one of the bosses in the Story Mode where he is secretly spying on Luigi during his return to his mansion. Kirby also dresses up as a Boo to scare Luigi and later joins him. The two best King Boo and then sucks him up into the Poltergust 6000. Shadow Boos are the official names given to the puppet Boos in Chapter 10 and 12.
The Boo appears as an item from Super Dry Bones Kart to Dry Bones Kart DS. He steals the most powerful item available. He also allows players to move through obstacles, providing them with a shortcut.
Boo appears in Mario Hoops 3-On-3 Switch (mainly known as Mario Hoops 3-On-3 Deluxe) as a playable character. He is a Tricky character type and his special move is Possessed Dunk. He is a starter character. His default partner is King Boo. His team name is the Boo Thrillers
|From 「照れる」tereru (to be shy)|
|German||Buu Huu||Boo Hoo|