Grey Matter
Ben 10 Ben 10

Grey Matter

Comparison of the voice actors who have been the voice of Grey Matter with sound clips and images.
Franchise: Ben 10

Grey Matter is one of the many alien forms that Ben Tennyson can turn into. It is of the species Galvan, a gray-skinned small humanoid alien with large yellow eyes. Like all Galvans, Grey Matter has amazing intelligence capable of calculation and intuition with technology. It is also able to climb walls and cling to the surfaces of the ceiling.

Created by UltimateCharm on Dec 10 2012
Special thanks to Music Meister for additional sound clips.

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BTVA POLL
Who do you think has been the best from these Grey Matter voice actors?
Richard Steven Horvitz
Carlos Alazraqui
Eric Bauza
Todd Haberkorn