Like Quarry, Razorfist, Stonebiter, King Nail, and other mutants, the Cyclops was originally a human experimented on by the Foot Clan to create subterranean digging creatures in their search for the Utroms. However, he and his brethren resisted the efforts of the Foot to control them, turning on those who had mutated them. Sadly, the Cyclops and many of his fellows soon became completely feral, mindlessly attacking anything and anyone not recognized as one of its own kind. Eventually it and the other mutants were captured by the Entity, who set about restoring them to human form so that they could repopulate and rebuild Atlantis. However, the Turtles managed to rescue him from this fate, only to learn that only the city's Crystal Moon could keep him human. He and the others were forced to