In the team's first appearance, they battled the Mole Man.

Mole Man is shown trying to attack the base.

She then went to war against the Mole Man, and once again grew elderly on exposure to the air of the surface world.

The Mole Men come up through the shaft at night to explore the surface.

Mole Man continued to fight a war with Tyrannus.

Mole Man tended to keep out of the way when the cosmic plans went on.

These caverns contained advanced technology, which Mole Man claimed had been built by an ancient race.

The Four defeat his forces but the Mole Man escapes.

The team clashes with the Mole Man in their first appearance.

Mole Man found it, but threw it away not realizing its true value.