Bumpity Boom (バンピティブーム Banpiti Būmu?) is a Leg-type napalm weapon that is available for Vile by default in the game Mega Man Maverick Hunter X. When equipped, Vile shoots a grenade out of his knee that rolls along the ground and explodes after it goes a preset distance. He can shoot them from the air as well (but they explode at a preset distance, not necessarily when they hit the ground). Bumpity Boom cannot be used while moving; Vile has to stand still in order to use it. The player can use this while on a ladder, but Vile will fall off the ladder as a result.