King Boo's power is often directly proportional to the number of Boos in his vicinity. Although not the biggest Boo, King Boo has some powers throughout the series, including materializing objects and spitting fire.
He has succeeded in capturing Mario in the Luigi's Mansion games, as well as capturing Toads, Professor E. He is also an ally of Bowser and has aided him in his various schemes. King Boo is the leader of the Boos and ghosts, the main antagonist of the Luigi's Mansion series, and the arch-nemesis of Luigi. I shall fear no mere house-cleaning device!!” - King Boo, Luigi's Mansion “I am not afraid of you, fool! I fear only that infernal Poltergust 3000 you carry on your back! Stupid machine! But I am a KING among Boos! I swear it. For his Super Mario Sunshine counterpart, see King Boo (Super Mario Sunshine). This article is about the character debuting in Luigi's Mansion.
