Board Thread:Questions and Answers/@comment-25413416-20140917215636/@comment-24152851-20140918092139

Sonic screams seem to be a compressed wave though. Also that's what light is, an electromagnetic wave which spreads out as well.

Sorry, I meant the light alien I mentioned earlier. Capable of becoming super fast and darting around like a laser beam where no one can catch him, and maybe capable of the blue energy beam that Syndrome fires in Incredibles.