Mysterons vs. Mysterians

I suppose confusion is understandable—the names are so similar, after all—but I think it's important that we get this straight once and for all.  So pay close attention:

Mysterons:

Mysterians:

Still confused?  Hmm, maybe the distinction will be clearer if I express it using the universal language of music.

Mysterons:

Mysterians:

There, I hope that clears everything up.

Comments

[The Wife]

Excellent reference to music you don't even like!

[Mic]

Humans! You and your women! Ray guns that blast everything before you! Fantastic!