| MIBRANNU | ATLAS |
| Created by Marv Wolfman and George Pérez |
 |
PLANETARY INFORMATION
Name: Mibrannu
Dominant Lifeform: a species of sentient methane gas
First Appearance: Crisis on Infinite Earths #10/2 (January 1986): "The Monitor Tapes..."
Creators: Marv Wolfman and George Pérez
HISTORY
As said by Harbinger, Mibrannu was the most peaceful planet in all the universes. Populated by lifeforms composed of sentient methane gas, Mibrannu was destroyed by waves of anti-matter during the so-called Crisis on Infinite Earths.