Some Boos appear and watch the Toad before it falls off the ledge, which is later found to be quite a drop, the Boos show a large amount of concern and shock when this happens before diving down for the Toad. This is seen when Luigi watches through pipe in the Old Clockworks as a Yellow Toad balances on a ledge. In Luigi's Mansion: Dark Moon it is shown that Boos will actually save someone if only later to trick them. Boos tend to have a taste for the fine arts, as seen in Paper Mario and Mario Party 4. Some Boos have absolutely no problem meeting their victim's gaze, and will even try to attack. While the ghosts generally appear to be more afraid of their victims than their victim is of them, this is not always the case. However, King Boo claims that Boos cannot truly be killed. Because of their intolerance to the light, Boos will often hide if they are trapped in lit rooms. Usually, they can also have other weaknesses. If they are exposed to a source of light, Boos are usually weakened, and in some cases, they may even be defeated. Despite this, they are not invincible and are especially vulnerable to the light. Due to their ghostly abilities, Boos are generally invulnerable and cannot be harmed by ordinary means of attack. Although most species of Boo will cover their faces and become intangible when looked at, they will often sneak behind their victim and strike when their back is turned. However, Boos received a new laugh starting in Mario Power Tennis, being more of a haunting laugh than before. Both this laugh and Bowser's laugh are derived from the same stock recording of a human man laughing recorded by Charles Martinet it was sped up for the Boos and slowed down for Bowser. Since Super Mario 64, Boos have been portrayed with a unique, high-pitched laugh. However, the Luigi's Mansion and early Paper Mario games portray Boos as being more expressive than in other games, being able to frown, scowl, or even smirk. The only exception is when they are looked at, in which case they bashfully cover their faces. In most games, Boos are unable to change their facial expressions. Boos often have wide open grinning mouths with their tongue sticking out. From Luigi's Mansion onward, it became common to picture Boos sticking out their tongues. Although they are typically white, there are sub-species of the Boo race that appear in different colors, such as pink. Though their specifics change from game to game, Boos are usually bashful, cowardly, spherical ghosts. LINE sticker of a Boo giving a shy laugh. 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 with him for coming home late from work. However, the most distinctive characteristic of the Boos is their shy personality, as they cover their faces when someone looks directly at them, but then uncover and move after the character when their back is turned this exact behavior is used by Mumbies in the Kirby series. They are known for their large tongues and small stubby arms. They are a type of white spherical ghost with menacing and normally open mouths. “Mind turning around for a minute?” - Boo, Paper Mario: Color Splashīoos (originally known as 'Boo' Diddlys and later Boo Buddies ) are common ghost enemies in the Super Mario franchise that first appear in Super Mario Bros.

Super mario kart 64 cover art