Spragg is a villain from Marvel comics.
HistorySpragg and his race were life-forms that drift in space two billion years ago. Eventually, they became trapped on Earth and mixed with the molten core of the planet, evolving into ferociously intelligent and psychic entities, which also happened to be the size of mountains.
Spragg was originally an outcast of his race who was forced to the surface of the Earth in Transylvania, where he enslaved the local villagers and forced them to build him a device to boost his powers. A visiting scientist by the name of Bob Robertson figured out how to rid the planet of Spragg, and flung him into space.
Spragg eventually returned and battled She-Hulk, the Mole Man and his original nemesis, an older Bob Robertson.