That sounds like so much of an urban legend if it IS actually true we need to get a sideshow act for this kid.
Seriously, GH wouldn't do nearly enought to account for this, and it definitely won't make you huge if you don't workout. This story sounds like something out of a comic book.
RENDERED WEAK BY CHEMOTHERAPY, AND BLINDED AT AN EARLY AGE BY A TUMOR, MILD MANNERED SIMON WALKER WAS GIVEN EXPERIMENTAL DRUG X! HE SOON BECAME A BLIND MONSTER OF EPIC PROPORTIONS BENT ON DESTROYING THOSE THAT HAD REDUCED HIM TO HIS SUBHUMAN STATE!