Giganto

A gigantic creature from beneath the Earth, Giganto lives in Subtarina with The Mole Man, who continually uses him to battle The Fantastic Four with less than successful results.

Origin
Giganto is one of the Mole Man's monstrous beasts from Monster Isle and is the largest creature ever to walk the land. The

Mole Man

and a number of creatures from his underworld empire were destroying atomic plants in various major cities around the world. The plan was to used Giganto and his monster army to attack the surface world once they wrecked every source of earthly power. However the Mole Man's plan for world domination was thwarted by the

Fantastic Four.

Power and Abilities
Giganto possesses superhuman strength and durability.