Dragon Wario is one of Wario's forms. Four types of Dragon Wario are in three games.
In Virtual Boy, it is again used, but there are two more types of Dragon Warios. One is the King Dragon, a hat that resembles a dragon with wings and another is the Sea Dragon, a hat that resembles a purple dragon.
In Wario: Master of Disguise, Wario is in a carnivorous Dragon suit. He is so heavy, he can't jump high. All forms heavily breathe fire from nostrils to mouths.