Runt and Cerebro is a Legendary Necro-Zoomorph mutant which can be obtained through the Mutants Slots. This mutant can also be bought from the Shop by its Silver version for 1,700 and in its Gold version for 1,900 .
Appears to be two white experimental mice standing side by side. One in the left is taller and have smaller brain while the other one in the right is shorter and have larger brain.
- Attack: High
- Life: Resistant
- Speed: Intermediate
These laboratory rats have been subjected to most bizarre experiments. The scientists should have refrained from experimenting on their brains,because the rats became uncontrollable and managed to escape. Today they roam the arena with the aim of wielding supreme power and one day, of CONQUERING THE WORLD!
- Clearly a reference to Pinky and The Brain from the animated Animaniacs cartoon series.