A Speed Goob, one of the Speed Type Rare Ghosts.
Rare Ghosts are a species of ghost found in the ScareScraper of Luigi's Mansion 3. They serve the same role as the ScareScraper Ghosts from Luigi's Mansion: Dark Moon. They typically fall under a certain category or specification that describes their abilities. They are different to normal ScareScraper Ghosts from Luigi's Mansion 3.
Classifications of Rare Ghosts[]
Bomb Ghosts: Bomb Ghosts are Subspecies of Ghosts such as Goobs, Hammers, and Oozers that can drop large amount of bombs, even while being captured. The Bombs blow Luigi away and deal 20 HP of damage.