The Grybyx is an affectionate, cuddly little creature from Dimension X with the ability to move objects by mental power. Food like pizza has the power to turn this creature into a gigantic monster. We see The Grybyx in episode #59 of the 1987 cartoon series in which Kala's pet Grybyx escapes through a dimensional portal to Earth, eats a slice of pizza, and proceeds to terrorize New York. Shredder and Krang try to harness the creatures power but are unable to and The Grybyx goes back home, safely, to Dimension X along with Kala and the other Neutrinos (Zak and Dask).
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