King Boo calls a meeting about his defeat in Luigi's Mansion and fires the four ghosts, McBoo, O'Lantern, Akro Bat, and Ghoularry from the Boo Troop for hiding from Luigi, fearful of his Poltergust 3000. McBoo and the gang decide to create their own haunted mansion and take over one in the Mushroom Kingdom. King Boo feels that only he should be in charge of a mansion, and brainwashed a bunch of normal enemies, including a powerful Monty Mole who he calls Haunty Mole. He and his unintelligent sidekick, Meghoul Mole, order the enemies to kick McBoo and his friends out of the mansion which they do. However, the power-hungry Monty Mole gets mad after King Boo doesn't give him any credit for defeating McBoo and becomes the self-proclaimed leader of the enemies and gangs up on King Boo. He also