Bullet Bills are recurring enemies in the Mario series. They are black, bullet-like enemies, commonly depicted as either having small arms or fanged grins adorning their faces, rarely having both. Bullet Bills are fired by cannons known as Bill Blasters, although some games have them fired by other sources such as Snifits and generic cannons, while some games simply have them coming out of nowhere. Subspecies of Bullet Bills include Banzai Bills and Cat Bullet Bills. Easily can be dodged though.