Ben 10 Planet

Grey Matter

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Grey Matter is the Race Against Time Timeline version of Grey Matter.


Grey Matter looks just like the Main Timeline's Grey Matter in the original series, but Grey Matter appears to have short fur.

Powers and Abilities

Being a Galvan, Grey Matter has the same abilities as his species.


Being a Galvan, Grey Matter has the same weaknesses as his species.


  • In Race Against Time, Grey Matter rewired various machines in a diner to throw various food at customers.


Ben 10

Race Against Time Aliens
DiamondheadGrey MatterHeatblastWildmutt

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