Presumed to be human
Gridlock was an operative for some unknown U.S. agency who wanted something from Aric. Exactly what this was all about was not revealed .
Apparently Gridlock wears a suit which controls his power. The dial on his chest is where he controls his strength which indicate that his powers are from an external source or from cybernetic implants.
X-O Manowar (vol. 1) #58 (1996)
Country of origin:
It was not revealed what this storyline was all about. In the following issue of X-O Manowar the whole incident was ignored and never adressed again.
- X-O Manowar (1992 series) #59
Valiant, March 1996