"Hey, hey, cool costumes, dudes."
—The youngster to two Grimlocks.[src]

The Youngster was a mortal boy trick-or-treating on Prescott Street during Halloween in 2000. When he saw two Grimlocks on the street, he ran up to them because he thought their costumes looked cool. One of the Grimlocks started stealing his eyesight, though Cole Turner stopped him. Once the Grimlock stopped, the scared youngster ran off.


The Youngster appeared in a total of 1 episode throughout the course of the series.