Real Name: Gerald Simms

Current Group Affiliation: S. H. I. E. L. D. II

Former Group Affiliation: None

1st Appearance: CAPTAIN AMERICA(v.3): 2000 ANNUAL (2000)

Known Superhuman Powers: Silicon has cybernetic arms, which are equipped with liquid metal mesh that he can reshape at will, a pair of miniature rocket launchers, and computer hook-ups, allowing him to access computer systems.

Other Aliases: None