Attack Pattern: Hides in a Robo Bowser costume, he's not to skilled yet at fighting. When he leaves the costume he's vulnerable.
Basic Fighting Strategies: When Mecha Bowser throws those spiky balls at you, suck 'em up and throw 'em back. King Boo will come popping out, and then go Ghost Busters on him.
Advanced Strategies: n/a.

Attack Pattern: Absolutely no movement, he's always trying to get a taste of you. He causes one point of damage and can take three or four hits.
Basic Fighting Strategies: Get the Slot Machine to three hot peppers in a row, and they'll come out of the machine. throw the peppers at his tongue, and then cool it off with your water pack.
Advanced Strategies: n/a.