Talk:Gyaos/@comment-26220899-20150620024350/@comment-860045-20150711042115

Yeah, Heisei Gyaos could. The Showa Gyaos couldn't. It was explained that Showa Gyaos's forked throat allowed it to fire a Sonic Beam. But is unable to turn it's head because of that.

So yeah, you got it right.