Jeff Pruitt has released more raw footage featuring what we know as Zyu2 footage.
https://www.youtube.com/watch?v=gZs9LRBIT9c (don't use this link since it got copyrighted due to the music that was in the video)
The Zyu2 monsters in this video clip are Robogoat, Stag Beetle, Oysterizer and Pirantishead.
Here's a new link to the video
https://www.youtube.com/watch?v=CK-vdZpWrR4