Zen's Eternal Rodent Observatory

Zen's Eternal Rodent Observatory (also Z.E.R.O.) is a factory made by the scientist Zen, his factory is Eternal and is more like an Observatory. But the 3 guards are Xinbo, Imeirum and Yug Ogidni. He appears first in Indigo Guy: Project Z.E.R.O.. 
==Appearances==
===Project Z.E.R.O.===
This is the first place that appears in IG:PZ.E.R.O..
This is the only appearance.