They bioengineered beings of pure energy, and checkov is a asshole.

I suppose he is basically a god at this point. PsyCorps are really the bad guys in multiple episodes now. He says he will see the commander again in a million years, he can see through time too? That is quite the god! I get lovecraftian vibes

I wonder how he compares to the other older races like the vorlons

Checkov does that Prisoner thing! Be seeing you!

Narn - It seemed like a good idea at a time.

More hints of cosmic horror of the dark forest and elder races

There are things in the Universe billions of years older than either of our races. They are vast, timeless, and if they are aware of us at all, it is as little more then ants. And we have as much chance of communicating with them as a ant has with us. We know, we tried!