eared enemy, "hates loud noise". Although this fact was made  irrelevant by the games release on the North American NES, it was a useful  tip in the games original version for the Famicom Disk System in Japan. On  the Famicom, a small microphone was built into the "player 2" controller, and  blowing or shouting into this microphone would kill any Pols Voices in the  area.