Erika Benson was the mother of Gilbert Benson, the mutant boy named Piecemeal who merged with the resurrected Proteus. She had been employed by A.I.M. to take Piecemeal around the world, absorbing all of the ambient energy of Proteus in their effort to recreate him.
Harness fought various members of the X-Teams when they were attempting to stop A.I.M.'s plan. She was taken into custody after the death of her son.